Wordnet 3.0
VERB (1)
1. 
 turn into the wind; 
- Example: "The sailors decided to tack the boat"- Example: "The boat tacked"[syn: tack, wear round]
WordNet (r) 3.0 (2006):
wear round
    v 1: turn into the wind; "The sailors decided to tack the boat";
         "The boat tacked" [syn: tack, wear round]