All 3 Uses

grapple
in
Hamlet, Prince of Denmark
(Auto-generated)

Those friends thou hast, and their adoption tried,
Grapple them unto thy soul with hoops of steel;
But do not dull thy palm with entertainment
Of each new-hatch'd, unfledg'd comrade.†
Scene 1.3 *
Finding ourselves too
slow of sail, we put on a compelled valour, and in the grapple I
boarded them: on the instant they got clear of our ship; so I
alone became their prisoner.†
Scene 4.6
[Grappling with him.†
Scene 5.1

Definitions:

(1) (grapple as in: grappled mentally)
to wrestle or struggle physically
(2) (grapple as in: grappled hand-to-hand)
to struggle mentally with a problem
(3) (grapple as in: grappling hooks)
a tool with claws or hooks which is used to catch or hold something; or pulling a rope attached to such a tool; or grabbing and holding
(4) (meaning too rare to warrant focus)
More rarely, grapple or grappling hook can be used as a noun to reference a tool (consisting of several hooks for grasping and holding) that is often thrown with a rope.