4th

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  4th \4th\ adj.
     1. coming next after the third in position
  
     Syn: fourth, quaternary
          [WordNet 1.5 +PJC]



From WordNet (r) 2.0 [wn]:

  4th
       adj : 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},
             {quaternary}]