single-foot

[sing-guh l-foo t] /ˈsɪŋ gəlˌfʊt/
noun
1.
rack3 (def 1).
verb (used without object)
2.
(of a horse) to go at a rack.
Origin
1860-65, Americanism
British Dictionary definitions for single-foot

single-foot

noun
1.
a rapid showy gait of a horse in which each foot strikes the ground separately, as in a walk
verb
2.
to move or cause to move at this gait