'Eighteenth' definitions:
Definition of 'eighteenth'
(from WordNet)
adjective
Coming next after the seventeenth in position [syn: eighteenth, 18th]
noun
Position 18 in a countable series of things
Definition of 'Eighteenth'
From: GCIDE
- Eighteenth \Eight"eenth`\, a. [From Eighteen.]
- 1. Next in order after the seventeenth. [1913 Webster]
- 2. Consisting of one of eighteen equal parts or divisions of a thing. [1913 Webster]
Definition of 'Eighteenth'
From: GCIDE
- Eighteenth \Eight"eenth`\, n.
- 1. The quotient of a unit divided by eighteen; one of eighteen equal parts or divisions. [1913 Webster]
- 2. The eighth after the tenth. [1913 Webster]