plesiomorph

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noun

An organism which represents a primitive state of evolution relative to another organism.

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Meanings

nounplesiomorph (plural plesiomorphs)

plural plesiomorphs

  1. biologyAn organism which represents a primitive state of evolution relative to another organism.

Origin

From plesio- + -morph.

Full word history & related roots →
Cite this entry
APA

plesiomorph. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/plesiomorph

MLA

“plesiomorph.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/plesiomorph. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “plesiomorph,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/plesiomorph.

Source: plesiomorph on Wiktionary, CC BY-SA 4.0.