Coelacanth

/ˈsiːləˌkænθ/

Meaning & Definition

noun

A rare deep-sea fish of the order Crossopterygii, known for its lobed pectoral fins and a unique evolutionary history, often referred to as a 'living fossil'.

The coelacanth was thought to be extinct for millions of years until it was rediscovered off the coast of Madagascar.

Any of the two extant species of coelacanths, particularly Latimeria chalumnae and Latimeria menadoensis.

Marine biologists are studying the behavior of the coelacanth to understand its adaptive features.

Used colloquially to refer to something that is outdated or a relic of the past.

His old car, a coelacanth of the automotive world, still ran smoothly despite its age.

Etymology

From Greek 'koilos' meaning 'hollow' and 'akanthos' meaning 'spine'.

Common Phrases and Expressions

living fossil

Refers to an organism that has remained unchanged over a significant period of geological time.

Related Words

lobe-finned fish

A group of fish that are charactized by fleshy, lobed fins.

fossil

The preserved remains or impression of a prehistoric organism.

Slang Meanings

A term for something outdated or out of touch.

That idea is so coelacanth, it doesn't fit in today's world!

Refers to something rare or unexpectedly found.

Finding that old record in the attic was a real coelacanth moment.