GNU Collaborative International Dictionary of English

Found one definition

1.       
   Curt (kŭrt), a. [L. curtus; cf. Skr. kart to cut. Cf. Curtail.] Characterized by excessive brevity; short; rudely concise; as, “curt limits; a curt answer”.
   
   [1913 Webster]
   
   The curt, yet comprehensive reply. W. Irving.
   
   [1913 Webster]