a. [ Gr. &unr_; starry. ] (Zool.) Pertaining to the genus Astræa or the family Astræidæ. -- n. A coral of the family Astræidæ; a star coral. [ 1913 Webster ]
‖n. [ NL., from Gr. &unr_;, &unr_;, the stomach. ] (Biol.) A primeval larval form; a double-walled sac from which, according to the hypothesis of Haeckel, man and all other animals, that in the first stages of their individual evolution pass through a two-layered structural stage, or gastrula form, must have descended. This idea constitutes the Gastræa theory of Haeckel. See Gastrula. [ 1913 Webster ]
English-Thai: HOPE Dictionary [with local updates]
a. [ Gr. &unr_; starry. ] (Zool.) Pertaining to the genus Astræa or the family Astræidæ. -- n. A coral of the family Astræidæ; a star coral. [ 1913 Webster ]
‖n. [ NL., from Gr. &unr_;, &unr_;, the stomach. ] (Biol.) A primeval larval form; a double-walled sac from which, according to the hypothesis of Haeckel, man and all other animals, that in the first stages of their individual evolution pass through a two-layered structural stage, or gastrula form, must have descended. This idea constitutes the Gastræa theory of Haeckel. See Gastrula. [ 1913 Webster ]
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