(transitive, intransitive) to eat; (intransitive) to consume meals / (transitive, intransitive) to eat; (transitive) to consume a specific food / (transitive, intransitive) to eat; (Brazil) (transitive with de) to eat some of a food / (transitive, chess, board games) to capture (eliminate a piece from the game) / (transitive) to corrode; to eat away, to destroy (to slowly destroy) / (transitive, by extension, colloquial) to use up; to eat up; to consume / (transitive, vulgar) to fuck; to screw (to penetrate sexually) / (transitive, vulgar, by extension) to have any sexual or otherwise libidinous relationship with someone / inflection of comer:
/ inflection of comer:

(colloquial, sometimes proscribed) food; meal

(idiomatic) to eat one's hat (used to express disbelief about a proposition)

to ogle with desire

(idiomatic) to die, to kick the bucket, to bite the dust, to give up the ghost, to go west, to be pushing up daisies

(idiomatic, said of food) to be exceptionally delicious

(idiomatic) to eat out of someone's hand (to be submissive due to fascination)

(idiomatic, hyperbolic) I could eat a horse (I am very hungry)

(idiomatic) to face great difficulties or suffering in one's life, often to obtain something

(informal, idiomatic) to combine two different plans or goals into one