I. bir·ling ˈbirliŋ noun
or birlinn -lə̇n
( -s )
Etymology: Scottish Gaelic birlinn, probably (like Middle Irish birling ), from Old Norse byrthingr merchant ship, from byrth- (akin to borth board) + -ingr -ing — more at board
: a chieftain's galley or barge used about the Hebrides
II. birl·ing ˈbərliŋ noun
( -s )
Etymology: from gerund of birl
: the sport of logrolling