"full of meat, fleshy," 1787, from meat (n.) + -y (2). Figurative sense "full of substance, pithy" is by 1881. Meaning "resembling meat" is by 1864. Related: Meatiness.
a meaty discussion
meat
meatball
Meath
meathead
meatless
meaty
Mecca
mechanic
mechanical
mechanics
mechanise