This is the 6580th most frequent French word.
iron
The French word "iron" translates to "will go" (first-person singular or third-person singular future tense of "aller").
In this sentence, 'fer' refers to the tool (iron) used for ironing clothes.
Elle a repassé ses vêtements avec un fer à repasser.
She ironed her clothes with an iron.
Here, 'fer' refers to the material (iron) used in construction.
Le pont était construit en fer pour plus de solidité.
The bridge was built of iron for greater strength.
In this context, 'fer' refers to the horseshoe, traditionally made of iron.