Senses
侧足/ 側足 to set foot in
To participate in or interfere with something; also written as 厕足
侧足/ 側足 to stand aside with fear
(literary) To stand with one's feet slanted or sideways due to intense fear or deep respect; to be too afraid to step forward
侧足/ 側足 parapodium
(biology) A fleshy, lateral protrusion on the bodies of certain marine worms used for locomotion