n.
Pronunciation: ' th ə m- ˌ hw ē l, - ˌ w ē l
Function: noun
Date: 1903
: a control for various devices consisting of a partially exposed wheel that can be turned by moving the exposed edge with a finger
THUMBWHEEL
Meaning of THUMBWHEEL in English
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012