combination lockˌcombiˈnation lock noun [countable] 
Examples
a lock which can only be opened by using a series of numbers or letters in a particular order
ExamplesEXAMPLES FROM THE CORPUS
word sets- I took it down from the wall to reveal the circular door of a wall safe with a combination lock.
- Next to it was a steel security cupboard fitted with a combination lock.
- Remember the analogy of the combination lock.
- The case sported matching brass hardware, including a pair of clasps, each with its own three-number combination lock.
- The only thing holding me up would be fumbling at the combination lock or renting a towel.
WORD SETS► DAILY LIFE
AC, accessory, nounadapter, nounaerosol, nounalarm, nounarm, nounash, nounattaché case, nounbag, nounbar, nounbarrel, nounbeep, verbbeeswax, nounbell, nounbelly, nounbelt, nounbench, nounbenzine, nounbinding, nounbiro, nounbolt, nounbooth, nounbox, nounbox, verbbrad, nounbriefcase, nounbristle, nounbrolly, nounbrush, nounbucket, nounbuckle, nounbuffer, nounbulb, nounBulldog clip, nounbulletin board, nounbullhorn, nounbung, nounbunting, nounbusiness card, nounbutt, nounbutton, nounbuzzer, nouncable, nouncalling card, nouncan, nouncandle, nouncane, nouncarbon, nouncarbon copy, nouncarbon paper, nouncard, nouncardboard, nouncardboard, adjectivecardboard cut-out, nouncard catalog, nouncarrier, nouncarrier bag, nouncarryall, nouncart, nouncarton, nouncartridge, nouncase, nouncaster, nouncatch, nounCellophane, nouncesspit, nounchain, nounchalice, nounchannel, nounchart, nounchute, nouncitronella, nounclamp, nouncleat, nounclip, nounclipboard, nouncomb, nouncombination lock, nouncompartment, nouncord, nouncrank, nouncrate, nouncrepe paper, nouncycle, noundetector, noundial, noundigital, adjectivedisposable, adjectivedrape, verbdrawing pin, noundryer, noundurable goods, nounDurex, nounearplug, nounelastic band, nouneraser, nouneyelet, nounfabric, nounfelt-tip pen, nounfemale, adjectivefence, nounfiberglass, nounfibreglass, nounfigurine, nounfilament, nounfile, verbFilofax, nounfire extinguisher, nounfirewood, nounfitness, nounflag, nounflagon, nounflagstaff, nounflashlight, nounflat, adjectivefloodlight, nounfoam, nounfoam, verbfog, verbfolder, nounfoolscap, nounforecourt, nounfountain, nounfountain pen, nounframe, nounfunnel, nounfuse, noungadget, noungadgetry, noungargle, verbgas, nounglue, noungoggles, noungold card, noungranny knot, noungravel, noungravelled, adjectivegravelly, adjectivegrease, noungreetings card, noungrommet, noungum, noungun, noungunnysack, noungut, nounhand-held, adjectivehandle, nounhandloom, nounharness, nounhasp, nounhealth, nounhessian, nounhinge, nounhip, nounhoarding, nounhoist, nounholder, nounhook, nounhoop, nounhooter, nounhose, nounhosepipe, nounhub, nounhygiene, nounhygienic, adjectiveillness, nounindented, adjectiveinflatable, adjectiveingrained, adjectiveink, nouninn, nouninnkeeper, nouninsoluble, adjectiveivory, nounjacket, nounjack-knife, nounjoss stick, nounjuggle, verbkey, nounkeypad, nounkey ring, nounKleenex, nounknife, nounknob, nounlabel, nounladder, nounlantern, nounlatch, nounlatchkey, nounlather, nounlather, verbLCD, nounlead, nounlectern, nounlegal pad, nounlens, nounletterbox, nounlever, nounlibrary, nounlid, nounlidded, adjectivelift, nounlight, nounlight bulb, nounlink, nounlinseed oil, nounlitter bin, nounlock, nounlodestone, nounlog, nounloop, verblost property, nounmagnet, nounmagnetic, adjectivemagnifying glass, nounmale, adjectivemantle, nounmanual, adjectivemarker, nounmarker pen, nounmarket day, nounmast, nounmastic, nounmatchstick, nounmaterial, nounmeter, nounmeths, nounmode, nounmortar, nounmortise lock, nounmould, nounmounting, nounmovement, nounnail, nounnameplate, nounnet, nounnib, nounnipple, nounnon-standard, adjectivenoose, nounnotebook, nounnotepad, nounnoticeboard, nounnozzle, nounnut, nounoil, verboilcan, nounoily, adjectiveorb, nounoutfit, nounoutlet, nounovernight, adverbpack, verbpackage, nounpad, nounpad, verbpadlock, nounpaintwork, nounpantyliner, nounpaper, nounpaperclip, nounpasserby, nounpaste, verbpasteboard, nounpatron, nounpatronage, nounpatronize, verbpattern, nounpaving, nounpearl, nounpen, nounpenknife, nounpicket fence, nounpillbox, nounpince-nez, nounpinhead, nounpipe, nounpix, nounpizza parlor, nounplug, nounpocket, nounpocketbook, nounpocket calculator, nounpocket knife, nounpointer, nounpoison, nounpole, nounportfolio, nounPost-it, nounpowder, nounpowdered, adjectivepropellant, nounpropelling pencil, nounpump-action, adjectivePX, nounquarter, verbrack, nounreceptionist, nounreel, nounrefill, nounreflector, nounrefrigerate, verbregimen, nounreservation, nounreserve, verbsachet, nounsack, nounscratchpad, nounscratch paper, nounscreen, nounsealant, nounsealer, nounsearchlight, nounseason ticket, nounseat, nounself-assembly, adjectiveseptic tank, nounservice, nounservice, verbsetting, nounshade, nounsharpener, nounshovel, nounshovel, verbshovelful, nounsilver paper, nounsiphon, nounslat, nounslice, verbslot machine, nounslug, nounsmoke, nounsoot, nounsort, nounspare part, nounspigot, nounsponge, nounspool, nounspout, nounspray, nounspray can, nounspray paint, nounspring, nounstaff, nounstake, nounstalk, nounstandard, nounstaple, nounstapler, nounstationery, nounsteam, nounsteam clean, verbsteel, nounsteel wool, nounstepladder, nounstick, verbstick, nounsticker, nounstilt, nounstopper, nounstorm lantern, nounstrap, nounstreamer, nounstring, nounstub, nounsucker, nounSuperglue, nounswipe, verbswitch, nounswivel, nountab, nountack, nountag, nountag, verbtank, nountap, nountape, nountassel, nountattle, verbtea break, nounthong, nounthread, nountime-saving, adjectivetinder, nountinderbox, nountissue, nountop, nountote bag, nountowel, verbtray, nountrolley, nountube, nountubing, nountwine, nountwo-way mirror, nounumbrella, nounvent, nounvial, nounwaiting room, nounwasher, nounwaste paper, nounwatch, nounwaterspout, nounwheeled, adjectivewhistle, verbwooden, adjectivewriting paper, noun
a lock which can only be opened by using a series of numbers or letters in a particular order