lark

noun

1. any of a large family (Alaudidae) of chiefly Old World passerine birds, including the skylark and horned lark
2. any of various birds from other families, as the meadowlark

intransitive verb

1. to play or frolic; have a merry time
2. to cause one's horse to jump fences, etc. unnecessarily

noun

1. a frolic or spree
2. a merry prank