n.
Pronunciation: ' tre-d ə l
Function: noun
Etymology: Middle English tredel step of a stair, from Old English, from tredan
Date: 15th century
: a swiveling or lever device pressed by the foot to drive a machine
n.
Pronunciation: ' tre-d ə l
Function: noun
Etymology: Middle English tredel step of a stair, from Old English, from tredan
Date: 15th century
: a swiveling or lever device pressed by the foot to drive a machine
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012