Defn: See Octodecimo.
EIGHTEENTH
Eight"eenth`, a. Etym: [From Eighteen.]
1. Next in order after the seventeenth.
2. Consisting of one of eighteen equal parts or divisions of a thing.
EIGHTEENTH
Eight"eenth`, n.
1. The quotient of a unit divided by eighteen; one of eighteen equal parts or divisions.
2. The eighth after the tenth.
EIGHTETETHE Eight"e*teth`e, a. Etym: [OE., fr. AS. eahtateó; eahta eight + teó tenth. Cf. Eighteenth, Tenth.]
Defn: Eighteenth. [Obs.]
EIGHTFOLD
Eight"fold`, a.