spiriferous

adjective

spi·​rif·​er·​ous

(ˈ)spī¦rif(ə)rəs

1

a

: having a spiral part or organ

b

: spired

2

[spirifer + -ous] : containing or characterized by brachiopods of the suborder Spiriferacea

—used especially of rock

Word History

Etymology

probably from New Latin spirifer spiriferous (from spir- + -fer -ferous) + English -ous

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