Merriam-Webster's Collegiate® Dictionary, 11th Edition
GENDER
I. noun see: kin
Date: 14th century
1. a subclass within a grammatical class (as noun , pro noun , adjective , or verb ) of a language that is partly arbitrary but also partly based on distinguishable characteristics (as shape, social rank, manner of existence, or sex) and that determines agreement with and selection of other words or grammatical forms, membership of a word or a grammatical form in such a subclass, an inflectional form showing membership in such a subclass,
2. sex , the behavioral, cultural, or psychological traits typically associated with one sex,
II. verb (gendered; gendering) see: generate
Date: 14th century
engender