Firm hold (4,4)
'firm hold' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for grasp that I've seen before include "Clutch" , "Hold firmly; understand" , "Catch on" , "Hold tightly" , "Firmly grip" .)
'firm hold' is the definition.
(thesaurus)
This is all the clue.