哺ほ乳にゅう形けい類るいMeaningsNoun1. MammaliaformesKanji used哺suckle乳milk形shape類kind (of something)Composed of哺ほ乳にゅうsuckling; nursing; lactationNoun形けいform; adjective; i-adjective (in Japanese)Suffix類るいkind; sort; type; class; genus; order; family; similar example; parallel; the likeNoun