whipping post(n = noun.artifact) - post formerly used in public to which offenders are tied to be whipped;
is a kind of post

N  scourge, rod, cane, stick, ratan, rattan, birch, birch rod, azote, blacksnake, bullwhack, chicote, kurbash, quirt, rawhide, sjambok, rod in pickle, switch, ferule, cudgel, truncheon, whip, bullwhip, lash, strap, thong, cowhide, knout, cat, cat o'nine tails, rope's end, pillory, stocks, whipping post, cucking stool, ducking stool, brank, trebuchet, trebuket, triangle, wooden horse, iron maiden, thumbscrew, boot, rack, wheel, iron heel, chinese water torture, treadmill, crank, galleys, scaffold, block, ax, guillotine, stake, cross, gallows, gibbet, tree, drop, noose, rope, halter, bowstring, death chair, electric chair, gas chamber, lethal injection, firing squad, mecate, house of correction, goaler, jailer, executioner, electrocutioner, lyncher, hangman, headsman, Jack Ketch.

binding post, c. w. post, charles william post, command post, corner post, cossack post, deaf as a post, emily post, emily price post, ex post facto, from pillar to post, goal post, heavy whipping cream, hinging post, hitching post, king post, light whipping cream, local post office, meteorological observation post, military post, missionary post, newel post, observation post, parcel post, post, post and lintel, post card, post chaise, post doc, post exchange, post hoc, post hoc ergo propter hoc, post hole, post horn, post horse, post house, post meridiem, post note, post oak, post office, post road, queen post, registered post, shutting post, starting post, swinging post, telegraph post, totem post, trading post, united states post office, us post office, whipping, whipping boy, whipping cream, whipping top, wiley post, winning post