ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: tread (I) + wheel
: a wheel turned by a person or animal by treading, climbing, or pushing with the feet upon its periphery or face — compare treadmill 1
ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: tread (I) + wheel
: a wheel turned by a person or animal by treading, climbing, or pushing with the feet upon its periphery or face — compare treadmill 1
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012