semidea Save Could not find semideam in Logeion dictionaries. semideam Noun: feminine accusative singular of semidea semideam Adjective: feminine accusative singular of semideus See semideam in Morpho DMLBS Gaffiot 2016 semidea [CL], half-divine being (f.), demigoddess. nos antiquitus populi decepti dixere semideos aut ~as Map NC IV 6 f. 48. sēmĭdĕa, (16) æ, f. , demi-déesse : Ov. H. 4, 49 ; Aus. Idyll. 11, 21.