GNU Collaborative International Dictionary of English

Found 2 definitions

1.       
   Cousin , n. [F. cousin, LL. cosinus, cusinus, contr. from L.  consobrinus the child of a mother's sister, cousin; con- + sobrinus a cousin by the mother's side, a form derived fr. soror (for sosor) sister. See Sister, and cf. Cozen, Coz.]
   One collaterally related more remotely than a brother or sister; especially, the son or daughter of an uncle or aunt.
   1913 Webster
   ☞ The children of brothers and sisters are usually denominated first cousins, or cousins-german. In the second generation, they are called second cousins. See Cater-cousin, and Quater-cousin.
   1913 Webster
   Thou art, great lord, my father's sister's son,
   A cousin-german to great Priam's seed.
   Shak.
   
   1913 Webster
   A title formerly given by a king to a nobleman, particularly to those of the council. In English writs, etc., issued by the crown, it signifies any earl.
   1913 Webster
   My noble lords and cousins, all, good morrow.
   Shak.
   
   1913 Webster
   
         
       

2.       
   Cousin, n. Allied; akin. [Obs.]
   Chaucer.
   
   1913 Webster