piping

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A system of pipes, such as those used in plumbing.
• noun The act of playing on a pipe.
• noun The music produced by a pipe when played.
• noun A shrill, high-pitched sound.
• noun A narrow tube of fabric, sometimes enclosing a cord, used for trimming seams and edges, as of slipcovers.
• noun A tubular ribbon of icing on a pastry.
• adjective Music Playing on a pipe.
• adjective Having a high-pitched sound.
• adjective Tranquil; peaceful.
• idiom (piping hot) Very hot.

from The Century Dictionary.

• Playing on a pipe.
• Having a shrill, whistling sound.
• In zoology, having or habitually uttering a shrill, whistling cry: said especially of birds.
• Accompanied by the music of the peaceful pipe, rather than that of the martial trump or fife.
• Simmering; boiling.
• The noise made by bees preparatory to swarming.
• noun The act of one who pipes.
• noun The sound of playing on a pipe or as on a pipe; the music of pipes.
• noun Weeping; crying.
• noun A system of pipes; pipes, as for gas, water, oil, etc., collectively.
• noun Fluting.
• noun A kind of covered cord used for trimming dresses, especially along seams.
• noun In harness, leather guards or shields encompassing a trace-chain.
• noun A cord-like ornament of icing or frosting on the top of a cake.
• noun In jewelry, a support, usually of a baser metal, attached behind a surface of precious metal which is too thin to preserve its shape unsupported.
• noun In horticulture, a mode of propagating herbaceous plants having jointed stems, such as pinks, by taking slips or cuttings consisting of two joints, and planting them in moist sand under glass; also, one of these cuttings.
• noun A way of dressing the hair by curling it around little pins of wood or baked clay called bilboquets.
• noun In metallurgy See pipe, 20.

from the GNU version of the Collaborative International Dictionary of English.

• noun A small cord covered with cloth, -- used as trimming for women's dresses.
• noun Pipes, collectively.
• noun The act of playing on a pipe; the shrill noted of birds, etc.
• noun A piece cut off to be set or planted; a cutting; also, propagation by cuttings.
• adjective Playing on a musical pipe.
• adjective Peaceful; favorable to, or characterized by, the music of the pipe rather than of the drum and fife.
• adjective Emitting a high, shrill sound.
• adjective Simmering; boiling; sizzling; hissing; -- from the sound of boiling fluids.
• adjective (Zoöl.) any Australian bird of the genus Gymnorhina, esp. Gymnorhina tibicen, which is black and white, and the size of a small crow. Called also caruck.
• adjective (Zoöl.) a small American tree frog (Hyla Pickeringii) which utters a high, shrill note in early spring.
• adjective [Colloq.] boiling hot; hissing hot; very hot.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb Present participle of pipe.
• noun The process of an animal just beginning to break out of its egg; precedes hatching.
• noun The sound of musical pipes.
• noun An act of making music or noise with pipes.
• noun A system of pipes that compose a structure; pipework.
• noun An ornamentation on pastry edges and seams.
• noun An ornamentation on the edges of a garment; a small cord covered with cloth.
• noun Piped icing on a cake.