| 释义 | 
		rid·er \ˈrīdə(r)\ noun (-s) Etymology: Middle English, from Old English rīdere, from rīdan to ride + -ere -er 1.  : one that rides horseback: as  a. archaic  : a mounted highwayman, freebooter, or moss-trooper  b.  : cowboy 3a  c.  : a circus performer who rides horses  d.  : a mounted agent employed on a plantation — compare ditch rider  e.  : jockey 2.  : one that rides a vehicle  < train rider >  < motorcycle rider > 3.   a. [translation of Dutch rijder]  : a Dutch ryder  b.  : a Scotch gold coin issued by James III and his successor 4.   a.  : an addition or amendment to a manuscript, printer's proof, or other document often attached on a separate piece of paper : allonge, annex, codicil  b.  : something added as an extra to a seemingly completed statement or act  c. Britain  : a recommendation by a jury appended to its verdict  d.  : a clause appended to a legislative bill to secure an object usually entirely distinct from that of the bill itself   < wantonly violates the Constitution in attaching legislative riders to appropriation bills — New Republic > 5.  : something used to overlie or cover another (as an upper tier of casks, a turn of a rope, or a tree placed on a wall) 6.   a.  : a rail laid slanting in the forks of the cross stakes at the corner of a worm fence as a reinforcement  b.  : a small movable adjusting weight on the beam of a balance resembling the weight on a steelyard  c.  : a pipe above and parallel to a main pipe into which part of the flow is diverted over a considerable distance and from which the flow is redirected into the main 7. archaic  : traveling salesman 8.   a.  : the top raker of a set of raking shores  b.  : the strap of a hinge 9.  : endorsement 2 b 10.   a.  : a thin parallel coal seam or mineral vein overlying a larger seam or vein  b.  : the country rock between them  c.  : a body of barren or country rock occurring as a horse within a vein 11.  : a vibrating steel roller that rests on and rotates in contact with a form roller to augment the distribution of printing ink 12.  : a man who rides a freight car being switched over the hump of a railroad classification yard in order to set the brakes and stop the car at the proper point 13.  : an extra rib timber set in between the frames of a wooden ship 14.  : a logger who drives a horse or mule to haul rigging equipment back to the woods after each log has been skidded to the yard or landing |