Prosoma

//pɹəʊˈsəʊmə// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The front segment of a body which is divided into two or more segments, especially the cephalothorax of an arachnid or crustacean.

    "The front part, called the cephalothorax (or prosoma), is enclosed within a relatively hard and unyielding chitinous shell."

Example

More examples

"The front part, called the cephalothorax (or prosoma), is enclosed within a relatively hard and unyielding chitinous shell."

Etymology

From pro- (“front”) + soma (“body”), from Ancient Greek σῶμα (sôma, “body”).

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