WordReference Random House Learner's Dictionary of American English © 2026
ˈfirst ˈaid, n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- emergency treatment given to the sick or injured.
first′ aid′,
first′-aid′, adj.
first′-aid′er, n.
- emergency aid or treatment given to someone injured, suddenly ill, etc., before regular medical services arrive or can be reached.
- 1880–85
first′-aid′er, n.
'first-aid kit' also found in these entries (note: many are not synonyms or translations):