Lewis Short
ăcĭnus | ăcĭnum, i (noun M.n.f) : m., and , , n., partic. in plur. acina, orum (also , f., Cat. 27, 4).
* A berry, esp. the grape, Col. 11, 2, 60; also: hederae sambucique,Plin. 15, 24, 29, § 100 sq.: cissanthemi,ib. 25, § 116: ligustri,ib. 24, 74: trychni,ib. 21, § 177.
* Per meton., the stone of a berry, Cic. Sen. 15, 52.
Charlton T. Lewis, Charles Short, A Latin Dictionary