D defs.my
Entry 1 sense Webster, 1913

Waterfowl

/wôt'-ẽrf-oulˌ/ · Wa·ter·fowl · IPA /wˈɔtərfˌaʊl/
01 n. Any bird that frequents the water, or lives about rivers, lakes, etc., or on or near the sea; an aquatic fowl; -- used also collectively.
  1. 1.
    Any bird that frequents the water, or lives about rivers, lakes, etc., or on or near the sea; an aquatic fowl; -- used also collectively.