OUTDOOR
outdoor
(adjective) pertaining to or concerning the outdoors or outdoor activities; “outdoor education is the area of teacher training concerned with training for outdoor activities”
Source: WordNet® 3.1
Etymology
Adjective
outdoor (not comparable)
Situated in, designed to be used in, or carried on in the open air. [from 18th c.]
Synonyms: out-of-door, outside
Antonyms: indoor, inside
Pertaining to charity administered or received away from, or independently from, a workhouse or other institution. [from 19th c.]
Verb
outdoor (third-person singular simple present outdoors, present participle outdooring, simple past and past participle outdoored)
(in some African communities) To publicly display a child after it has been named
Source: Wiktionary
Out"door`, a. Etym: [For out of door.]
Definition: Being, or done, in the open air; being or done outside of
certain buildings, as poorhouses, hospitals, etc.; as, outdoor
exercise; outdoor relief; outdoor patients.
Source: Webster’s Unabridged Dictionary 1913 Edition