Source : Webster's Revised Unabridged Dictionary (1913)

Eyot \Ey"ot\ ([imac]"[o^]t or [=a]t), n. [Ey (AS. [=i]g or Icel.
   ey) + F. dim. termination -ot; cf. AS. [=i]geo[eth]. See
   {Island}, and cf. {Ait}.]
   A little island in a river or lake. See {Ait}. [Written also
   {ait}, {ayt}, {ey}, {eyet}, and {eyght}.] --Blackstone.