Webster's Revised Unabridged Dictionary · 1913

Foreslow

Foreslow , transitive verb

[See Forslow.]

To make slow; to hinder; to obstruct. [Obs.] See Forslow, transitive verb
No stream, no wood, no mountain could foreslow Their hasty pace. — Fairfax

Foreslow , intransitive verb

To loiter. Same as Forslow. [Obsolete]