1. [n]  the foot of an ungulate mammal
2. [n]  the horny covering of the end of the foot in hoofed mammals
3. [v]  dance in a professional capacity (slang)
4. [v]  walk (informal); "let's hoof it to the disco"

1. \Hoof\, n.; pl. {Hoofs}, very rarely {Hooves}. [OE. hof,
   AS. h[=o]f; akin to D. hoef, G1huf, OHG. huof, Icel. h[=o]fr,
   Sw. hof, Dan. hov; cf. Russ. kopuito, Skr. [,c]apha.
   [root]225.]
   1. The horny substance or case that covers or terminates the
      feet of certain animals, as horses, oxen, etc.
            On burnished hooves his war horse trode. --Tennyson.
   2. A hoofed animal; a beast.
            Our cattle also shall go with us; there shall not a
            hoof be left behind.                  --Ex. x. 26.
   3. (Geom.) See {Ungula}.
   

2. \Hoof\, v. i.
   1. To walk as cattle. [R.] --William Scott.
   2. To be on a tramp; to foot. [Slang, U.S.]
   {To hoof it}, to foot it.
   

3. \Hoof\, n.
   {On the hoof}, of cattle, standing (on the hoof); not
      slaughtered. Hook \Hook\, n. (Geog.)
   A spit or narrow cape of sand or gravel turned landward at
   the outer end; as, Sandy Hook.
   

a cleft hoof as of neat cattle (Ex. 10:26; Ezek. 32:13); hence also of the horse, though not cloven (Isa. 5:28). The "parting of the hoof" is one of the distinctions between clean and unclean animals (Lev. 11:3; Deut. 14:7).