Sc. Also come-of-will. Any person (or thing) that comes of his own accord, or without being invited; a plant that springs up spontaneously; a bastard child. (Jam.)
1815. Scott, Guy M., iii. Little curlie Godfreythats the eldest, the come o will, as I may say.
1823. Blackw. Mag., March, 314 (Jam.). The rest are upstarts and come-o-wills.
1858. Carlyle, Fredk. Gt., II. VII. ix. A tame raven come-of-will.