Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
(hī′drə·sōm) noun Zool. A hydroid colony as a whole. Also hy′dro·so′ma (-sō′mə). [<HYDRO- + -SOME2]
Comment about this word, ask questions, or add new information about this topic: