One Minute English #2 - Learn Vocabulary Fast

The video tutorial explains the homophones 'feet' and 'feat', which sound the same but have different meanings and spellings. 'Feat' refers to a significant achievement requiring skill and courage, exemplified by walking on the moon. 'Feet' is the plural form of 'foot', referring to the lower extremities on which we stand.

What is the plural form of the word 'foot' and what does it refer to?

In what context might someone say 'her feet were cold from walking barefoot'?