n. The act or state denoted by the verb flower, in any of its senses: as, the flowering of the bean.n. The shoals or strata of fish-feed often seen in the water about spawning-time.n. The spawning of pelagic fishes, which sometimes cover large areas of the surface of the sea with their spawn.n. The appearance of the surface of lakes and other large bodies of fresh water due to the occurrence of considerable quantities of algæ, usually blue-green forms.