any of various fishes, as basses and perches, that have sharp, often pointed and usually rigid fin spines.
spir- pref. Variant of spiro-.
noun 1. a breathing hole; an opening by which a confined space has communication with the outer air; air hole. 2. Zoology. an aperture or orifice through which air or water passes in the act of respiration, as the blowhole of a cetacean. an opening in the head of sharks and rays through which water […]
spiradenoma spi·rad·e·no·ma (spī-rād’n-ō’mə) n. A benign tumor of the sweat glands.
noun 1. spirea. noun 1. any of various plants or shrubs belonging to the genus Spiraea, of the rose family, having clusters of small, white or pink flowers, certain species of which are cultivated as ornamentals. noun 1. any rosaceous plant of the genus Spiraea, having sprays of small white or pink flowers See also […]