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certain numerals or to the numerals themselves, to indicate the number of leaves made by folding a sheet of paper; as, sixteenmo or 16mo; eighteenmo or 18mo. It is taken from the Latin forms similarly used; as, duodecimo, sextodecimo, etc. A small circle, placed after the number and near its top, is often used for -mo…

A portion ofthe printed sheet, in certain sizes of books, that is cut off before folding.

o called because adapted for use at the opera, theater, etc. -- Opera hat, a gentleman's folding hat. -- Opera house, specifically, a theater devoted to the performance of operas. -- Opera seria Etym: [It.], serious or tragic opera; grand opera.

hat at the time of fecundation the spermatozoa simply gave the impetus which caused the unfolding of the egg, in which all generations were inclosed one within the other. Also called ovist.

A picture, or combination of pictures, consisting of a centerpiece and double folding doors or wings, as for an altarpiece.

A flat fold; a doubling, as of cloth; a pleat; as, a box plait. The plaits and foldings of the drapery. Addison.

A folding or fold; a plait. Richardson.

To reduce the extent of (as a sail) by roiling or folding a certain portion of it and making it fast to the yard or spar. Totten. To reef the paddles, to move the floats of a paddle wheel toward its center so that they will not dip so deeply.

oulders that abut when the connected pieces come in line with each other, and thus permit folding in one direction only. -- Rule of three (Arith.), that rule which directs, when three terms are given, how to find a fourth, which shall have the same ratio to the third term as the second has to the first; proportion. Se…

addle joint, in sheet-metal roofing, a joint formed by bending up the edge of a sheet and folding it downward over the turned-up edge of the next sheet. -- Saddle roof (Arch.), a roof having two gables and one ridge; -- said of such a roof when used in places where a different form is more common; as, a tower surmount…

Same as Salam. Finally, Josiah might have made his salaam to the exciseman just as he was folding up that letter. Prof. Wilson.

t page of each sheet of a book or pamphlet, as a direction to the binder in arranging and folding the sheets.

A movable frame or support for anything, as scaffolding, consisting of three or four legs secured to a top piece, and forming a sort of stool or horse, used by carpenters, masons, and other workmen; also, a kind of framework of strong posts or piles, and crossbeams, for supporting a bridge, the track of a railway, or t…

The acct of unfolding, or the state of being unfolded. The extreme unfoldment of the instinctive powers. C. Morris.

even inches diameter, and twenty to forty feet long, sometimes roughly hewn, used for scaffoldings, and sometimes for slight and common roofs, for which use it is split. [Spelt also ufer.] [Eng.] Gwilt.

A door; especially, one of a pair of folding doors, or one of the leaves of such a door. Swift through the valves the visionary fair Repassed. Pope. Heavily closed, . . . the valves of the barn doors. Longfellow.

The arrangement of the leaves within the leaf bud, as regards their folding, coiling, rolling, etc.; prefoliation.

To cover by winding or folding; to envelop completely; to involve; to infold; -- often with up. I . . . wrapt in mist Of midnight vapor, glide obscure. Milton.