sole¹ / sōl/ • n. the undersurface of a person's foot: the soles of their feet were nearly black with dirt. ∎  the section forming the underside of a piece of footwear (typically excluding the heel when this forms a distinct part). ∎  the part of the undersurface of a person's foot between the toes and the instep. ∎  the undersurface of a tool or implement such as a plane or the head of a golf club. ∎  the floor of a ship's cabin or cockpit.• v. [tr.] (usu. be soled) put a new sole onto (a shoe).DERIVATIVES: soled adj. [in comb.] rubber-soled shoes.sole² • n. a marine flatfish of almost worldwide distribution, important as a food fish. Several species are in the families Soleidae, Pleuronectidae, and Bothidae.sole³ • adj. one and only: my sole aim was to contribute to the national team. ∎  belonging or restricted to one person or group of people: loans can be in sole or joint names the health club is for the sole use of our guests. ∎  archaic (esp. of a woman) unmarried. ∎  archaic alone; unaccompanied.

sole.
1. Cill.

2. Base-plate supporting a post, e.g. timber-framed construction.

3. Part of anything touching the ground and sustaining a load.

Bibliography

Alcock,, Barley,, Dixon,, & and Meeson (1996)

sole Marine flatfish found in the Atlantic Ocean from nw Africa to Norway, especially Solea solea. A food fish, which is farmed in some countries, it is green-grey or black-brown with dark spots. Length: to 60cm (24in). Family Soleidae.

sole1 under-surface of the foot XIV; bottom of a boot or shoe; †foundation; sill XV; lower part, bottom XVII. — OF. :- popL. *sola (whence OE. *solu or *sola, once in pl. solen), for L. solea sandal, sill, f. solum bottom, pavement, sole of the foot
.

sole3 single, unmarried XIV; alone, solitary XV; one and only; exclusive XVI. ME. soul(e) — OF. soul(e) (mod. seul(e)) :- L. sōlus, fem. sōla alone, sole
.