Pack (4)
'pack' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for herd that I've seen before include "Group of, eg, cows" , "The rabble" , "Group of animals of one kind" , "Drive" , "Crowd of cattle" .)
'pack' is the definition.
(I know that stow is a more specific form of pack)
This is the entire clue.
(Other definitions for stow that I've seen before include "Pack (in proper place)" , "Pack, put away" , "Fill by packing tightly" , "Deposit" , "Pack (object) away" .)