I. ˈlärk noun
Etymology: Middle English laveroc, laverke, from Old English lāwerce; akin to Old High German lērihha lark
Date: before 12th century
: any of a family (Alaudidae) of chiefly Old World ground-dwelling songbirds that are usually brownish in color ; especially : skylark — compare meadowlark
II. noun
Etymology: lark (III)
Date: circa 1811
: a source of or quest for amusement or adventure
thought life was a lark
entered the race on a lark
III. intransitive verb
Etymology: probably alteration of lake to frolic
Date: 1813
: to engage in harmless fun or mischief — often used with about
• lark·er noun