Available Definitions:
1) n. - pl. of Medium.
2) n. - One of the sonant mutes /, /, / (b, d, g), in Greek, or of their equivalents in other languages, so named as intermediate between the tenues, /, /, / (p, t, k), and the aspiratae (aspirates) /, /, / (ph or f, th, ch). Also called middle mute, or medial, and sometimes soft mute.
3) n. - The mean or middle term of a syllogism; that by which the extremes are brought into connection.
4) n. - A substance through which an effect is transmitted from one thing to another; as, air is the common medium of sound. Hence: The condition upon which any event or action occurs; necessary means of motion or action; that through or by which anything is accomplished, conveyed, or carried on; specifically, in animal magnetism, spiritualism, etc., a person through whom the action of another being is said to be manifested and transmitted.
5) n. - An average.
6) n. - A trade name for printing and writing paper of certain sizes. See Paper .
7) n. - The liquid vehicle with which dry colors are ground and prepared for application.
8) a. - Having a middle position or degree; mean; intermediate; medial; as, a horse of medium size; a decoction of medium strength.