Gram. [ad. L. aptōt-um, a. Gr. ἄπτωτ-ον, f. ἀ priv. + πτωτός falling, cogn. w. πτῶσις case, f. πίπτ-ειν (stem πετ-) to fall.] A noun that has no distinction of cases; an indeclinable noun. Also fig.
1589. Pappe w. Hatchet, C iii. We are all Aptots, in all cases alike.
1612. Brinsley, Pos. Parts (1669), 100. Aptots … have no several case, but are alike in all cases.
1769. Parkhurst, Gr. Lex. (1822), 28. Aptotes … have but one case ending for every case.
