Pigs usually eat from a trough. A manger is used to hold dry stuff - hay, etc.
The verb "to eat" can be translated into the French "manger".
Manger is the verb "to eat" in french.
manger
"I love to eat" in French is j'aime manger.
They have to eat (they must eat) is "ils doivent manger" in French. They have (something) to eat is "ils ont à manger".
manger
manger
What does she like to eat? - Qu'est-ce qu'elle aime manger?
"j'aime manger" means "I like to eat"
I want to eat is 'je veux manger' in French.
A manger (French - manger - to eat) is used to store hay and animal fodder. The animals (cows) were lead in to the manger in the evening to eat and possibly to be milked at the same time. They were then shut in, or into the byre, for security during the night.
A manger