noun.
Military equipment; especially, defensive armor.
noun.
In zoology and anatomy: Any part or organ of an animal serving as a means of defense or offense.
noun.
Any apparatus or set of organs without reference to defense; an equipment; an appanage: as, the genital or the anal armature.
noun.
In botany, the hairs, prickles, etc., covering an organ.
noun.
A body of armed troops.
noun.
In architecture, any system of bracing in timber or metal, as the iron rods used to sustain slender columns, to hold up canopies, etc.
noun.
A piece of soft iron applied simply by contact to the two poles of a magnet or electromagnet as a means of maintaining the magnetic power undiminished.
noun.
That part of an electric machine in which electric power is generated (generator) or consumed (motor). Sometimes the rotating element is called armature, irrespective of its function. See field, 13.