Meanings

to be greedy

ramrod

protuberance

to deal a blow in return

double collision

vermiform process

sternocleidomastoid muscle

frameshift mutation

bird strike

one becomes sleepy when one's stomach is full

stab

keel (bird bone)

extrusion

to make a breakthrough

projecting signboard

strike (kendo)

excrescence

suddenly

overcoming a difficulty

thrusting technique