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A cuplike cavity or organ. Same as Acetabulum.

An umbelliferous plant of the genus Chærophyllum (C. temulum and C. sylvestre).

A clutch formed of hooked pieces of iron, like double calipers, for raising stones, lumber, blocks of ice, etc.

An implement for drawing, made of clay and plumbago, or of some preparation of chalk, usually sold in small prisms or cylinders. Let no day pass over you . . . without giving some strokes of the pencil or the crayon. Dryden.

Pertaining to twilight; glimmering; hence, imperfectly clear or luminous. This semihistorical and crepuscular period. Sir G. C. Lewis.

With a constantly increasing volume of voice; with gradually increasing strength and fullness of tone; -- a direction for the performance of music, indicated by the mark, or by writing the word on the score.

The plume of feathers, or other decoration, worn on a helmet; the distinctive ornament of a helmet, indicating the rank of the weare; hence, also, the helmet. Stooping low his lofty crest. Sir W. Scott. And on his head there stood upright A crest, in token of a knight. Gower.

y good work so much depends. South. Critical angle (Optics), that angle of incidence of a luminous ray at which it is wholly reflected, and no portion of it transmitted. The sine of this angle is the reciprocal of the refractive index of the medium. -- Critical philosophy, the metaphysical system of Kant; -- so called…

The reading of the lines of a newspaper directly across the page, instead of down the columns, thus producing a ludicrous combination of ideas.

A forked support; a crotch. The crotchets of their cot in columns rise. Dryden.

A fluoride of sodium and aluminum, found in Greenland, in white cleavable masses; -- used as a source of soda and alumina.

quation in which the highest power of the unknown quantity is a cube. -- Cubic foot, a volume equivalent to a cubical solid which measures a foot in each of its dimensions. -- Cubic number, a number produced by multiplying a number into itself, and that product again by the same number. See Cube. -- Cubical parabola…

An English meadow plant, perhaps the columbine or the bluebell squill (Scilla nutans). [Obs.] A girl cropping culverkeys and cowslips to make garlands. Walton.

ily managed; as, a cumbersome contrivance or machine. He holds them in utter contempt, as lumbering, cumbersome, circuitous. I. Taylor. -- Cum"ber*some*ly, adv. -- Cum"ber*some*ness,n.

A sucker or acetabulum.

out beetles, billbeetles, and billbugs. Many of the species are very destructive, as the plum curculio, the corn, grain, and rice weevils, etc.

urious tale" Shak. A multitude of curious analogies. Mocaulay. Many a quaint and curiousvolume of forgotten lore. E. A. Poe. Abstruse investigations in recondite branches of learning or sciense often bring to light curious results. C. J. Smith. Curious arts, magic. [Obs.] Many . . . which used curious arts brought thei…

The point or horn of the crescent moon or other crescent-shaped luminary.

hin-bladed crystals and crystalline aggregates, of a sky-blue color. It is a silicate of aluminium. [Written also kyanite.]

Relating to a structure composed of a circular range of columns, without a core or building within. Weale.