Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “first aid”

first aid

noun [no plural]   /ˈfɜrst ˈeɪd/
basic help that a person who is not a doctor can give to a person who is hurt or ill: The police officer gave him first aid before the ambulance arrived.
(Definition of first aid noun from the Webster's Essential Mini Dictionary © Cambridge University Press)

Definitions of “first aid” in other dictionaries

Word of the Day

neighbourly

friendly or helpful

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More