Source : Webster's Revised Unabridged Dictionary (1913)

Kin \Kin\, a.
   Of the same nature or kind; kinder. ``Kin to the king.''
   --Shak.

Kin \Kin\, n. (Mus.)
   A primitive Chinese instrument of the cittern kind, with from
   five to twenty-five silken strings. --Riemann.

Kin \Kin\, n. [OE. kin, cun, AS. cynn kin, kind, race, people;
   akin to cennan to beget, D. kunne sex, OS. & OHG. kunni kin,
   race, Icel. kyn, Goth. kuni, G. & D. kind a child, L. genus
   kind, race, L. gignere to beget, Gr. ? to be born, Skr. jan
   to beget. ?. Cf. {Kind}, {King}, {Gender} kind, {Nation}.]
   1. Relationship, consanguinity, or affinity; connection by
      birth or marriage; kindred; near connection or alliance,
      as of those having common descent.

   2. Relatives; persons of the same family or race.

            The father, mother, and the kinbeside. --Dryden.

            You are of kin, and so a friend to their persons.
                                                  --Bacon.

Kin \Kin\, n. Also Kine \Kine\ [Gr. ? to move.] (Physics)
   The unit velocity in the C.G.S. system -- a velocity of one
   centimeter per second.

Source : WordNet®

kin
     adj : related by blood [syn: {akin(p)}, {blood-related}, {cognate},
            {consanguine}, {consanguineous}, {kin(p)}]

kin
     n 1: a person having kinship with another or others; "he's kin";
          "he's family" [syn: {kinsperson}, {family}]
     2: group of people related by blood or marriage [syn: {kin
        group}, {kinship group}, {kindred}, {clan}, {tribe}]