Definition of roseate tern
: a medium-sized tern (Sterna dougallii) that is widespread at sea and in coastal areas of the Atlantic, Pacific, and Indian oceans and that has a faint roseate tinge to the breast in the breeding season
First Known Use of roseate tern
Seen and Heard
What made you want to look up roseate tern? Please tell us where you read or heard it (including the quote, if possible).