isis
Proposed by a contributor, not yet supported by evidence.
Also seen as: isises
Meaning · English
Any coral of the genus Isis, or family Isididae, composed of joints of white, stony coral, alternating with flexible, horny joints.
Noun
Examples
[…] the numerous families of coral, which, under the form of tubular, starry, or stony stems, are denominated tubipores, madrepores, and isises.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “isis” mean?
Any coral of the genus Isis, or family Isididae, composed of joints of white, stony coral, alternating with flexible, horny joints.
Is “isis” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.