ˈ ̷ ̷ ˌ ̷ ̷ noun
: a control for various devices consisting of a partially exposed wheel that can be turned by moving the exposed edge with a finger
ˈ ̷ ̷ ˌ ̷ ̷ noun
: a control for various devices consisting of a partially exposed wheel that can be turned by moving the exposed edge with a finger
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012