释义 |
spiracular
spir·a·cle S0645600 (spĭr′ə-kəl, spī′rə-)n.1. Zoology A respiratory aperture, especially:a. Any of several tracheal openings in the exoskeleton of an insect, spider, or other terrestrial arthropod.b. A small respiratory opening behind the eye of most sharks and rays and certain other fishes.c. The blowhole of a cetacean.2. An aperture or opening through which air is admitted and expelled. [Middle English, from Latin spīrāculum, from spīrāre, to breathe.] spi·rac′u·lar (spī-răk′yə-lər, spĭ-) adj.TranslationsEncyclopediaSeespiracle |