Some remain at terminus for a chat (6)
I believe the answer is:
natter
'chat' is the definition.
(synonyms)
'some remain at terminus' is the wordplay.
'some' indicates the answer is hidden within the clue (some parts of the word are used).
'NATTER' can be found hidden inside 'remain at terminus'.
'for a' is the link.
(Other definitions for natter that I've seen before include "Chinwag" , "Chatter (colloq.)" , "Chat casually" , "Chit-chat" , "Talk inconsequentially" .)