GNU Collaborative International Dictionary of English

last match results

Found 2 definitions

1.       
   Thirty , a. [OE. thritty, AS. þrītig, þrittig; akin to D. dertig, G. dreissig, Icel. þrjātīu, þrjātigi, þrir teger, Goth. þreis tigjus, i.e., three tens. See Three, and Ten, and cf. Thirteen.] Being three times ten; consisting of one more than twenty-nine; twenty and ten; as, the month of June consists of thirty days.
   1913 Webster
   
   1913 Webster
   
         
       

2.       
   Thirty , n.; pl. Thirties .
   The sum of three tens, or twenty and ten; thirty units or objects.
   1913 Webster
   A symbol expressing thirty, as 30, or XXX.
   1913 Webster