Meaning of "small" in Essential American English Dictionary

small

adjective us /smɔl/

A1 little in size or amount:

We teach the children in small groups.
→ Opposite big , large

A1 A small child is very young:

a woman with three small children

A2 not important or serious:

a small mistake

(Definition of “small” from the Webster's Essential Mini Dictionary © Cambridge University Press)