SINCE 1828
xenacanthine
adjective
xen·acan·thine
| \ ¦zenə¦kan(t)thə̇n, -anˌthīn\
Definition of xenacanthine
(Entry 1 of 2)
: of or relating to the Xenacanthini
xenacanthine
noun
\ "\
plural -s
Definition of xenacanthine (Entry 2 of 2)
: a fish or fossil of the division Xenacanthini
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