'Sea gull' definitions:

Definition of 'sea gull'

(from WordNet)
noun
Mostly white aquatic bird having long pointed wings and short legs [syn: gull, seagull, sea gull]

Definition of 'Sea gull'

From: GCIDE
  • Sea gull \Sea" gull`\ (Zool.) Any gull living on the seacoast. [1913 Webster]