The Collaborative International Dictionary of English v.0.48:

Trend \Trend\, n.
   Inclination in a particular direction; tendency; general
   direction; as, the trend of a coast.
   [1913 Webster]

   Trend of an anchor. (Naut.)
   (a) The lower end of the shank of an anchor, being the same
       distance on the shank from the throat that the arm
       measures from the throat to the bill. --R. H. Dana, Jr.
   (b) The angle made by the line of a vessel's keel and the
       direction of the anchor cable, when she is swinging at
       anchor.
       [1913 Webster]