An obstacle; something that stands in one's way
Pedicure
A foot treatment with a massage and polish of the nails
a lever that is moved with one's foot
Impediment
A creature with two feet
Pedal
Millipede
A camera stand with three "legs"
Centipede
Biped
A creature with one hundred feet
A person who goes from door to door trying to sell a product
Peddler
Tripod
Quadruped
A creature with one thousand feet
Pedestrian
A person who walks across the street on foot
A creature with four feet
