Butt end (4)
'butt end' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for stub that I've seen before include "Knock (toe); short remnant" , "What's left after the ticket is gone" , "Knock (e.g. toe)" , "seen in the ash-tray" , "Tooth remnant" .)
'butt end' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ash that I've seen before include "Residue of burnt matter" , "Residue after burning" , "Tree with keys" , "Dusty residue of a fire" , "End of fire" .)