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Webster’s Dictionary (1828)



13,077 words match “PI”

PILLWORT n.
Any plant of the genus Pilularia; minute aquatic cryptograms, with small pill-shaped fruit; -- sometimes called peppergrass.
PILOCARPINE n.
An alkaloid extracted from jaborandi (Pilocarpus pennatifolius) as a white amorphous or crystalline substance which has a peculiar effect on the vasomotor system.
PILON n. 2 definitions
A conical loaf of sugar.
PILONCE n.
Same as Pilon. [Texas]
PILONCILLO n.
Same as Pilon. [Texas]
PILOSE a. 3 definitions
Hairy; full of, or made of, hair. The heat-retaining property of the pilose covering. Owen.
PILOSITY n.
The quality or state of being pilose; hairiness. Bacon.
PILOT n. 7 definitions
The cowcatcher of a locomotive. [U.S.] Pilot balloon, a small balloon sent up in advance of a large one, to show the direction and force of the wind. -- Pilot bird. (Zoöl.) (a) A bird found near the Caribbee Islands; - - so called because its presence indicates to mariners their approach to these islands. Crabb. (b) T…
PILOT BALLOON n.
A small, unmanned balloon sent up to indicate the direction of air currents.
PILOT FLAG n.
The flag hoisted at the fore by a vessel desiring a pilot, in the United States the union jack, in Great Britain the British union jack with a white border.
PILOT LAMP; PILOT LIGHT n.
A small incandescent telltale lamp on a dynamo or battery circuit to show approximately by its brightness the voltage of the current.
PILOT VALVE n.
A small hand-operated valve to admit liquid to operate a valve difficult to turn by hand.
PILOT WHEEL n.
A wheel, usually with radial handles projecting from the rim, for traversing the saddle of a machine tool, esp. an automatic machine tool, by hand.
PILOTAGE n. 3 definitions
The pilot's skill or knowledge, as of coasts, rocks, bars, and channels. [Obs.] Sir W. Raleigh.
PILOTISM; PILOTRY n.
Pilotage; skill in the duties of a pilot. [R.]
PILOUR n.
A piller; a plunderer. [Obs.]
PILOUS a.
See Pilose.
PILPUL n.
rating investigation, disputation, and drawing of conclusions, esp. in Talmudic study. -- Pil"pul*ist (#), n. --Pil`pul*is"tic (#), a.
PILSER n.
An insect that flies into a flame.
PILULAR a.
Of or pertaining to pills; resembling a pill or pills; as, a pilular mass.
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