|1.||any brown songbird of the predominantly Old World family Alaudidae, esp the skylark: noted for their singing|
|2.||titlark short for meadowlark|
|3.||(often capital) any of various slender but powerful fancy pigeons, such as the Coburg Lark|
|4.||up with the lark up early in the morning|
|[Old English lāwerce, lǣwerce, of Germanic origin; related to German Lerche, Icelandic lǣvirki]|
In addition to the idiom beginning with lark, also see happy as the day is long (as a lark).