This is the 2313th most frequent Russian word.
малых
"Малых" means "small" or "little" (plural or in certain grammatical cases).
'Малых' here is in the genitive plural form and describes children in terms of their small size or age.
Эти игрушки предназначены для малых детей.
These toys are intended for small children.
'Малых' here is in the genitive plural form and modifies enterprises, indicating their relatively small size or scope.
На встрече обсуждали вопросы развития малых предприятий.
At the meeting, they discussed issues of small businesses' development.
'Малых' is used in the genitive plural form to describe birds that are small in size.