The Collaborative International Dictionary of English v.0.48:

Send \Send\, n. (Naut.)
   The impulse of a wave by which a vessel is carried bodily.
   [Written also scend.] --W. C. Russell. "The send of the
   sea". --Longfellow.
   [1913 Webster]

WordNet (r) 3.0 (2006):

scend
    v 1: rise or heave upward under the influence of a natural force
         such as a wave; "the boats surged" [syn: scend, surge]