'fourth-year' definitions:

Definition of 'fourth-year'

From: WordNet
adjective
Used of the fourth and final year in United States high school or college; "the senior prom" [syn: senior(a), fourth-year]

Definition of 'fourth-year'

From: GCIDE
  • fourth-year \fourth-year\ adj. of or pertaining to the fourth and final year in a U. S. high school or college.
  • Syn: senior(prenominal). [WordNet 1.5]