Informal. a tubular organ or passage of a human or animal body, esp. a respiratory passage: to complain of congested pipes.
9.
any of various tubular or cylindrical objects, parts, or formations, as an eruptive passage of a volcano or geyser.
10.
Mining.
a.
a cylindrical vein or body of ore.
b.
(in South Africa) a vertical, cylindrical matrix, of intrusive igneous origin, in which diamonds are found.
11.
Metallurgy. a depression occurring at the center of the head of an ingot as a result of the tendency of solidification to begin at the bottom and sides of the ingot mold.
12.
Botany. the stem of a plant.
–verb (used without object)
13.
to play on a pipe.
14.
Nautical. to signal, as with a boatswain's pipe.
15.
to speak in a high-pitched or piercing tone.
16.
to make or utter a shrill sound like that of a pipe: songbirds piping at dawn.
–verb (used with object)
17.
to convey by or as by pipes: to pipe water from the lake.
18.
to supply with pipes.
19.
to play (music) on a pipe or pipes.
20.
to summon, order, etc., by sounding the boatswain's pipe or whistle: all hands were piped on deck.
21.
to bring, lead, etc., by or as by playing on a pipe: to pipe dancers.
22.
to utter in a shrill tone: to pipe a command.
23.
to trim or finish with piping, as an article of clothing.
24.
Cookery. to force (dough, frosting, etc.) through a pastry tube onto a baking sheet, cake or pie, etc.
25.
Informal. to convey by an electrical wire or cable: to pipe a signal from the antenna.
26.
Slang. to look at; notice: Pipe the cat in the hat.
—Verb phrases
27.
pipe down, Slang. to stop talking; be quiet: He shouted at us to pipe down.
28.
pipe up,
a.
to begin to play (a musical instrument) or to sing.
b.
to make oneself heard; speak up, esp. as to assert oneself.
c.
to increase in velocity, as the wind.
Origin: bef. 1000; (n.) ME, OE pīpe musical pipe, tube (c. D pijp, LG pīpe, G Pfeife, ON pīpa) < VL *pīpa, deriv. of L pīpāre to chirp, play a pipe; (v.) ME pipen; in part continuing OE pīpian to play a pipe < L pīpāre; in part < OF piper to make a shrill sound < L pīpāre (cf. peep2)