A lark found on prairies; specifically the horned lark or shorelark, Eremophila alpestris, of North America, or the calandra lark, Melanocorypha calandra, of central Asia.
Origin
Early 19th century.
Definition of prairie lark in US English:
prairie lark
noun
A lark found on prairies; specifically the horned lark or shorelark, Eremophila alpestris, of North America, or the calandra lark, Melanocorypha calandra, of central Asia.