A / ăcĭdŭlus
adjective

ăcĭdŭlus

fem. ăcĭdŭla · neut. ăcĭdŭlum
dim. [acidus]
a little sour; sourish
a little sour, sourish, acidulous: sapor, Plin. 15, 15, 16, § 54: aqua, mineral water, id. 2, 103, 106, § 230; 31, 2, 5, § 9; so, fons, ib.