The Only Use of

coax
in
Unbroken - adapted for young adults

The B-24's wheels had no steering, so when taxiing, the pilot had to coax the bomber along by powering one side's engines, then the other, and working the left and right brakes, one of which was usually more sensitive than the other.†
p. 55.3

Definitions:

(1) (coax as in: coax her to join us)
try to obtain a result through gentle and careful effort -- often gentle persuasion
(2) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

Less commonly, coax is a short for coaxial cable (a type of electrical cable used to transmit data, the internet, video and voice communications). Coaxial cables have a conducting wire surrounded by an insulating layer surrounded by a shield. The insulating layer and shield surround a common axis--the conducting wire.

In classic literature, you may see coax used as a synonym for caress or fondle.