Eight'een1, a.
(ā'teen), a. [A-S. eahtatȳne, Ger. acht-zehn.] Twice nine in number; as, eighteen pounds.
2 entries under this word
Eighteen
Eight'een2, n.
n. 1. The number greater by a unit than seventeen; the sum of ten and eight.
Sense 2. A symbol representing eighteen units, as 18 or xviii.