Pseudoheart

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any contractile vessel of invertebrates that is not of the nature of a real heart, especially one of those pertaining to the excretory system.

Etymology

From pseudo- + heart.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.