twelvetwelve /twelv/ ●●● S3 W2 number 
He received a twelve-month jail sentence. Come at twelve (=12 o'clock). Their son Dylan is twelve (=12 years old).—twelfth adjective, pronoun: her twelfth birthday in the twelfth century I’m planning to leave on the twelfth (=the 12th day of the month).
WORD ORIGINtwelve
Origin:
Old English twelfWORD SETS
add, verbaddition, nounArabic numeral, nounarithmetic progression, nounbi-, prefixbillion, numbercalculate, verbcalculation, nouncardinal, nouncardinal number, nouncoefficient, nouncommon denominator, nounconstant, nouncube, verbcube root, nounD, noundecimal, noundecimal, adjectivedecimal point, noundemi-, prefixdenominator, noundigit, noundivide, verbdividend, noundivisible, adjectivedivision, noundivisor, noundouble-digit, adjectivedouble figures, nouneight, numbereighteen, numbereighth, adjectiveeighty, numbereleven, numberequal, adjectiveequal, verbequals sign, nouneven, adjectiveexponent, nounfactor, nounfactor, verbfactorial, nounfifteen, numberfifth, nounfifty, numberfig., figure, nounfive, numberforty, numberfour, numberfourteen, numberfourth, nounfraction, noungeometric progression, noungross, nounHCF, hundred, numberimproper fraction, nounindivisible, adjectiveinfinity, nouninteger, nounL, nounlogarithm, nounlowest common denominator, nounM, nounmedian, nounmedian, adjectivemillion, numbermultiple, nounmultiplication, nounmultiplication sign, nounmultiplication table, noun-nd, suffixnegative, adjectivenine, numbernineteen, numberninety, numberninth, adjectiveNo., nos., nothing, pronounnought, numbernumber, nounnumeral, nounnumerator, nounnumerical, adjectiveO, nounoblique, nounone, numberordinal number, nounpi, nounplot, verbplus, prepositionpoint, nounpositive, adjectiveprime number, nounproduct, nounproper fraction, nounproportion, nounquadr-, prefixquadrillion, numberquadruple, adjectivequotient, noun-rd, suffixroman numeral, nounroot, nounround, adjectivescore, numbersecond, numberserial number, nounset, nounsingle figures, nounsix, numbersixteen, numbersixty, numbersquare, nounsquare, verbsquared, adjectivesquare root, noun-st, suffixsubtract, verbsum, nountake, verbten, numbertenth, adjectivetertiary, adjectivetetra-, prefixthirteen, numberthirty, numberthousand, numberthree, numberthree-quarter, adjectivethreescore, numbertreble, determinertri-, prefixtrillion, numbertwelve, numbertwenty, numbertwice, adverbunit, nounV, nounvulgar fraction, nounwhole number, nounX, nounzero, number
COLLOCATIONS FROM THE ENTRY I’m planning to leave on the twelfth (=the 12th day of the month).COLLOCATIONS FROM OTHER ENTRIES
the number 12: I’m planning to leave on the twelfth (=the 12th day of the month).· The doctor said that she was eight weeks pregnant.
He received a twelve-month jail sentence. Come at twelve (=12 o'clock). Their son Dylan is twelve (=12 years old).—twelfth adjective, pronoun: her twelfth birthday in the twelfth century I’m planning to leave on the twelfth (=the 12th day of the month).