1 comprise or reckon in as part of a whole.
2 (as including prep.) if we include (six members, including the chairman).
3 treat or regard as so comprised.
4 (as included adj.) shut in; enclosed.
Phrases and idioms:
include out colloq. or joc. specifically exclude.
Derivatives:
includable adj. includible adj. inclusion n.
Etymology: ME f. L includere inclus- (as IN-(2), claudere shut)
Useful english dictionary. 2012.