Both Uses

grapple
in
Frankenstein - 1831 version
(Auto-generated)

As he went on I felt as if my soul were grappling with a palpable enemy; one by one the various keys were touched which formed the mechanism of my being; chord after chord was sounded, and soon my mind was filled with one thought, one conception, one purpose.†
p. 49.4 *
I did not weep, but I knelt down and with a full heart thanked my guiding spirit for conducting me in safety to the place where I hoped, notwithstanding my adversary's gibe, to meet and grapple with him.†
p. 209.6

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.