grasp
/ˈgræsp/ /Brit ˈgrɑːsp/
verb
grasps; grasped; grasping
[+ obj] to take and hold (something) with your fingers, hands, etc.
to understand (something that is complicated or difficult)
grasp at
[phrasal verb]
grasp at (something) :to try to take or get (something) in an eager or desperate way
grasp at straws
grasp for
[phrasal verb]
grasp for (something) :to try in a desperate or awkward way to get (something)
grasp the nettle
noun
[singular] a usually strong hold
an understanding of something
the distance that can be reached by your arms and hands :reach
the ability to get or find something
power or control