piscine
adjective/ˈpɪsaɪn/, /ˈpaɪsiːn/
/ˈpɪsaɪn/, /ˈpaɪsiːn/
(formal or specialist)- of or related to fishWord Originlate 18th cent.: from Latin piscis ‘fish’ + -ine.
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piscine
Definition of piscine adjective from the Oxford Advanced Learner's Dictionary