Definition of "peter" in English

noun

1. (slang) The penis.

noun

1. (UK, slang) A safe.

2. (UK, prison slang) A prison cell.

verb

1. (intransitive, originally US) Chiefly followed by out: originally (mining), of a vein of ore: to be depleted of ore; now (generally), to diminish to nothing; to dwindle, to trail off.

   • I found a veinlet about 15 in. wide and very rich in gold. Trenching along its outcrop showed that it extended about 100 ft. and then pinched out altogether. A winze sunk on the veinlet showed that it "petered out" entirely at 25 or 30 ft.

verb

1. (card games, intransitive) Synonym of blue peter; to call for trump by throwing away a high card while holding a lower one.