Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
* ăquaemănālis, e, adj. [aqua-manus], pertaining to water for the hand, i. e. to water for washing; hence, ăquaemă-nālis, is, m., sc urceus (cf. aqualis), a basin for washing the hands, a wash-basin, Varr. ap. Non. p 547, 9.
For which in Paul. Sent. 3, 6, ăquĭmĭnāle, is, n., v aquiminarium
ăquĭmĭnārĭum, ii, n. [aqua-manus] (post-class. for ăquaemănālis), a waterbasin, wash-basin, Dig. 34, 2, 19, § 12; 34, 2, 21 (Paul. Sent. 3, 6, has ăquĭmĭnāle, is, n.).