a., superl. [f. BACK a.; a late formation after the type of foremost, hindmost: see -MOST. Cf. BACKERMOST.] Most to the back, hindmost; the opposite of foremost.
1782. A. Monro, Compar. Anat., 98. The four backmost teeth.
1874. Farrar, Christ, II. xlii. 95. Though now the axe was uplifted, nay, though it was at its backmost poise.
