Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† ăcĭnos, i, f., = ἄκινος, a fragrant plant, perh. wild basil, Plin. 21, 27, 101, § 174.
ăcĭnus, i, m., and ăcĭnum, i, n., partic. in plur. acina, orum (also ăcĭna, ae, f., Cat. 27, 4).