All 10 Uses

mock
in
Eclipse, by Stephenie Meyer
(Edited)

This grin was too bitter, too full of mocking to satisfy me.
Chpt 3

mocking = ridicule (making fun of)
He grinned a mocking grin.
Chpt 4 *

mocking = making fun
He laughed mockingly.
Chpt 5

mockingly = in a manner of someone making fun
He made a face of mock horror.
Chpt 10

mock = pretend (not real)
Because Embry was clearly the thinner gray wolf with the dark spots on his back, who sat so patiently watching, while Quil — deep chocolate brown, lighter over his face — twitched constantly, looking like he was dying to join in the mock fight.
Chpt 19 *
He shook his head in mock horror.
Chpt 20
I laughed at the mock enthusiasm in his voice.
Chpt 21
"You don't like the leeches being painted as the bad guys?" Jacob mocked.
Chpt 22

mocked = teased
Then, with some effort, he rearranged his expression into a slightly mocking smile.
Chpt 26

mocking = teasing (making fun)
"No. At least, I can't feel my injuries," he said, smiling mockingly again.
Chpt 26

mockingly = in a manner intended to make fun

Definitions:

(1) (mock as in: don't mock me)
make fun of (ridicule--sometimes by imitating in an exaggerated manner)

or (more rarely): just to make fun or to be ridiculous without targeting anyone as a victim

These senses of mockery come together when a comedian pokes fun at a politician by pretending to be the politician and saying ridiculous things.
(2) (mock as in: a mock trial)
not real
(3) (meaning too rare to warrant focus)
Less commonly, mock can refer to a way of preparing food. Mockers can be an abbreviation for mockingbirds.