[ pahy-seen, pis-ahyn, -een, -in ]
/ ˈpaɪ sin, ˈpɪs aɪn, -in, -ɪn /


of, relating to, or resembling a fish or fishes.

Origin of piscine

1790–1800; < Latin piscīnus, equivalent to pisc(is) fish + -īnus -ine1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for piscine

British Dictionary definitions for piscine


/ (ˈpɪsaɪn) /


of, relating to, or resembling a fish
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for piscine



c.1300, "reservoir, bathing pool," from Old French piscine "fishpond," from Latin piscina, from piscis "a fish" (see fish (n.)). Ecclesiastical sense is from late 15c., from Medieval Latin piscina. As an adjective from 1799.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for piscine


[ pīsēn′, pĭsīn′ ]

Relating to or characteristic of fishes.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.