Atrip \A*trip"\, adv. [Pref. a- + trip.]

(Naut.)
   (a) Just hove clear of the ground; -- said of the anchor.
   (b) Sheeted home, hoisted taut up and ready for trimming; -- said of sails.
   (c) Hoisted up and ready to be swayed across; -- said of yards.

Source: Webster's Revised Unabridged Dictionary (1913)