Help, assist (3)
I believe this is a double definition.
'help' is the first definition.
(synonyms)
'assist' is the second definition.
(synonyms)
(Other definitions for aid that I've seen before include "Help or support" , "Auxiliary" , "A hand" , "Care and help" , "grant" .)
I believe this is a double definition.
'help' is the first definition.
(I've seen this before)
'assist' is the second definition.
(thesaurus)
(Other definitions for lend a hand that I've seen before include "Provide help" , "Pitch in" , "To assist" , "temporarily transfer an employee" , "Turn to and help" .)