Noah Webster's 1828 American Dictionary of the English Language is regarded by many as the finest English
dictionary ever published. The dictionary is available in many forms. I made the content available here for my own purposes,
out of personal admiration for this particular dictionary.
AFOOT', adv. [a or on and foot.] 1. On foot; borne by the feet; opposed to riding. 2. In action; in a state of being planned for execution; as, a design is afoot, or on foot.
afoot appears in definitions for these words: AAfoot