Defn: Being in unison; having the same degree of gravity or acuteness; sounded alike in pitch.

UNISONOUS
U*nis"o*nous, a. Etym: [See Unison.]

Defn: Being in unison; unisonant. Busby.

UNIT
U"nit, n. Etym: [Abbrev. from unity.]

1. A single thing or person.

2. (Arith.)

Defn: The least whole number; one.
Units are the integral parts of any large number. I. Watts.

3. A gold coin of the reign of James I., of the value of twenty shillings. Camden.

4. Any determinate amount or quantity (as of length, time, heat, value) adopted as a standard of measurement for other amounts or quantities of the same kind.

5. (Math.)