Wiktionary
form class
n. (context taxonomy English) A collection of organisms that is given formal recognition at the rank of class with a taxonomic name, but which is known to be an artificial group rather than a natural one.
WordNet
form class
n. one of the traditional categories of words intended to reflect their functions in a grammatical context [syn: part of speech, word class]
Wikipedia
Form class
Form class may refer to:
- Form classification, in paleontology
- Homeroom, in schools
- Part of speech, in grammar