Arise awkwardly at a sign (5)
I believe the answer is:
'a sign' is the definition.
'arise awkwardly' is the wordplay.
'awkwardly' indicates anagramming the letters.
'arise' with letters rearranged gives 'ARIES'.
'at' is the link.
(Other definitions for aries that I've seen before include "Zodiacal sign also known as the Ram" , "Ram star sign" , "Constellation with sign of the ram" , "House" , "Sheep" .)