(uncountable, by ellipsis) Mad cow disease; bovine spongiform encephalopathy. / (countable) A cow afflicted with mad cow disease. / Used other than figuratively or idiomatically: see mad, cow.

(idiomatic) Something which cannot be tampered with, or criticized, for fear of public outcry. A person, institution, belief system, etc. which, for no reason other than the demands of established social etiquette or popular opinion, should be accorded respect or reverence, and not touched, handled or examined too closely.

(cricket, slang) A batting stroke played across the line and aiming to hit the ball towards cow corner.

A hitch knot used to attach a rope to an object, comprising a pair of half hitches tied in opposing directions. / Any hitch or bend which slips because it is wrongly tied.

(humorous) co-worker

(chiefly US) A fictional pastime wherein a person sneaks up on a sleeping cow and pushes it over.

A white liquid produced by the mammary glands of a cow, and used as food by humans.

plural of cow chip

A compartment in which cows are housed and kept.

Third-person singular simple present indicative form of cow bite