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The theory that structural variations, characteristic of species and genera, are produced in animals and plants by the direct influence of physical environments, and esp., in the case of animals, by effort, or by use or disuse of certain organs.

Lamarckism as revived, modified, and expounded by recent biologists, esp. as maintaining that the offspring inherits characters acquired by the parent from change of environment, use or disuse of parts, etc.; -- opposed of Neo-Darwinism (which see, above). -- Ne`o-La*marck"i*an, a. & n.

The chief magistrate of a nome or nomarchy.

A province or territorial division of a kingdom, under the rule of a nomarch, as in modern Greece; a nome.

To surpass in marching; to march faster than, or so as to leave behind.

To march too far, or too much; to exhaust by marching. Baker.

In Athens, originally, the military commanderin-chief; but, afterward, a civil magistrate who had jurisdiction in respect of strangers and sojourners. In other Grecian cities, a high military and civil officer.

specif. in designating the position of an army with the wings separated by some line of demarcation, as a river or road.

panied his speech with a bow. The Persian dames, . . . In sumptuous cars, accompanied his march. Glover. They are never alone that are accompanied with noble thoughts. Sir P. Sidney. He was accompanied by two carts filled with wounded rebels. Macaulay.

f the Hebrew ecclesiastical year, and the sixth of the civil. It corresponded nearly with March.

ten in his wrinkles. Hawthorne. Advanced guard, a detachment of troops which precedes the march of the main body.

Pertaining to an army marching, or to a train. [R.]

To molest, incommode, or harm; as, to annoy an army by impeding its march, or by a cannonade.

The festival celebrated (March 25th) by the Church of England, of Rome, etc., in memory of the angel's announcement, on that day; Lady Day.

support.] (Mil.) (a) A given point or body, upon which troops are formed, or by which are marched in line or column. (b) An advantageous defensive support, as a castle, morass, wood, declivity, etc.

twelve signs in the zodiac, which the sun enters at the vernal equinox, about the 21st of March.

The larva of a small two-winged fly (Sciara), which marches in large companies, in regular order. See Cotton worm, under Cotton.

ch was first made by the original thirteen States of the United States. They were adopted March 1, 1781, and remained the supreme law until March, 1789. -- Articles of impeachment, an instrument which, in cases of impeachment, performs the same office which an indictment does in a common criminal case. -- Articles of…

a number of pieces of ordnance mounted on carriages, with all their furniture, ready for marching.

act upon, injuriously or destructively; to begin to decompose or waste. On the fourth of March he was attacked by fever. Macaulay. Hydrofluoric acid . . . attacks the glass. B. Stewart.