noun.
A figure of straw or clouts, made in grotesque semblance of a man, set in a grain-field or a garden to frighten off crows and other birds from the crops; hence, anything set up or intended to frighten or keep off intruders, or to terrify the foolish.
noun.
A person so poor and so meanly clad as to resemble a scarecrow.
noun.
The black tern, Hydrochelidon fissipes.