laughing gull

== English == === Noun === laughing gull (plural laughing gulls) A common European gull (Xema ridibundus). An American gull (Leucophaeus atricilla); in summer the head is nearly black, the back slate color, and the five outer primaries black. ==== Synonyms ==== (European gull): black cap, pewit, red-legged gull, sea crow ==== Translations ==== === References === “laughing”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.