- a person who buys animal carcasses or slaughters useless livestock for a knackery or rendering works.
- a person who buys and dismembers old houses, ships, etc., to salvage usable parts, selling the rest as scrap.
- an old, sick, or useless farm animal, especially a horse.
- a harness maker; a saddler.
- a person who buys up old horses for slaughter
- a person who buys up old buildings and breaks them up for scrap
- (usually plural) slang another word for testicle
- a despicable person
- to exhaust; tire
