All 5 Uses

contract
in
Delirium, by Lauren Oliver
(Edited)

His face contracts slightly, a tiny shift I can barely make out in the dark, but in that second he looks so still and sad it almost takes my breath away, like he's a statue, or a different person.
p. 141.7 *

contracts = pulls tighter (muscles shorten)
If you fear that you or someone you know may have contracted deliria, please call the emergency line toll-free at 1-800-PREVENT to discuss immediate intake and treatment.
p. 148.1

contracted = caught or got -- especially in reference to a disease
Here is a secret about my family: My sister contracted the deliria a several months before her scheduled procedure.
p. 173.8 *

contracted = got (a disease)
In the decades before the development of the cure, the disease had become so virulent and widespread it was extraordinarily rare for a person to reach adulthood without having contracted a significant case of amor deliria nervosa.
p. 183.1

contracted = caught or got -- especially in reference to a disease
It's not his fault I've changed—seen the light or contracted the deliria, depending on who you ask.
p. 318.7

Definitions:

(1) (contract as in: legal contract)
an agreement - typically written and enforceable by law
(2) (contract as in: contract the disease)
to get -- especially in reference to a disease
(3) (contract as in: the metal contracted in the cold)
when something gets shorter or smaller
(4) (meaning too rare to warrant focus)
A grammatical sense of the word form contraction describes can't as a shortened form of can not.