Fourth - Definition
fourth
adv 1: in the fourth place; "fourthly, you must pay the rent on
the first of the month" [syn: fourthly, fourth]
adj 1: coming next after the third and just before the fifth in
position or time or degree or magnitude; "the quaternary
period of geologic time extends from the end of the
tertiary period to the present" [syn: fourth, 4th,
quaternary]
n 1: following the third position; number four in a countable
series
2: one of four equal parts; "a quarter of a pound" [syn: one-
fourth, fourth, one-quarter, quarter, fourth part,
twenty-five percent, quartern]
3: the musical interval between one note and another four notes
away from it