noun🔗ShareProthoraxThe anterior segment of the insect thorax; it carries the first pair of legs"The beetle's prothorax, the section just behind its head, supported its first pair of legs, which it used to climb the plant stem. "Le prothorax du scarabée, la section juste derrière sa tête, supportait sa première paire de pattes, qu'il utilisait pour grimper sur la tige de la plante.organismanimalinsectbiologyanatomypartChat with AIVocabulary GamePractice Reading