Cribs (4)
'cribs' is the definition.
('cot' can be a synonym of 'crib')
This is all the clue.
(Other definitions for cots that I've seen before include "Babies' beds" , "Small beds" .)
(Other definitions for pads that I've seen before include "Blocks" , "tablets" , "Treads" , "Lines, or stuffs with soft materials" , "Bolsters" .)