Bas″tard (�), a. 1. Begotten and born out of lawful matrimony; illegitimate. See Bastard, n., note.
2. Lacking in genuineness; spurious; false; adulterate; — applied to things which resemble those which are genuine, but are really not so.
That bastard self-love which is so vicious in itself, and productive of so many vices.
Barrow.
3. Of an unusual make or proportion; as, a bastard musket; a bastard culverin.
4. (Print.) Abbreviated, as the half title in a page preceding the full title page of a book.
Bastard ashlar(Arch.), stones for ashlar work, roughly squared at the quarry. — Bastard file, a file intermediate between the coarsest and the second cut. — Bastard type(Print.), type having the face of a larger or a smaller size than the body; e. g., a nonpareil face on a brevier body. — Bastard wing(Zoöl.), three to five quill feathers on a small joint corresponding to the thumb in some mammalia; the alula.