canter
Concise Oxford English Dictionary © 2008 Oxford University Press:
canter/ˈkantə(r)/
▶noun a pace of a horse between a trot and a gallop, with not less than one foot on the ground at any time.
■ a ride on a horse at a canter.
▶verb move at a canter.– phrases
at a canter Brit. without much effort; easily.
at a canter Brit. without much effort; easily.
– origin C18 (as v.): short for Canterbury pace, from the supposed easy pace taken by medieval pilgrims to Canterbury.
'canter' also found in these Oxford entries:

