pin

n

1. bolt, peg, dowel, thole, tholepin; nail, spike; screw, rivet; tack.

2. brooch, clip, stickpin, breastpin, chatelaine, Archaic. ouch; tieclasp, tie clip, tie tack; jewel, gem; ornament, decoration, adornment.

3. trifle, gewgaw, gimcrack, bauble, trinket; hair, button, straw, molehill, Inf. beans, Inf. hill of beans, Inf. row of pins.

v

4. fasten, secure, fix, affix, attach; nail, bolt, screw, rivet, tack, staple, peg; transfix, skewer, freeze, immobilize, stabilize.

5. pin down

a. bind, hold, constrain, tie, tie down, tie [s.o.'s] hands, leave [s.o.] no option or choice.b. force, make, have, cause or cause to, compel, press, Inf. pressure or high-pressure, Inf. lean on, Inf. squeeze, Inf. put the screws on or to, Inf. twist [s.o.'s] arm.c. determine, specify, name, designate, indicate, put or lay one's finger on, pinpoint, zero in on, home in on.

6. pin something on someone

Slang. blame for, lay or place the blame on, fix the responsibility for, charge to, lay at [s.o.'s] doorstep, bring home to; attribute to, ascribe to, impute to, assign to, lay to, pin on, fix on, saddle on or upon, father upon, Sl. hang on; Sl. frame