one and only; belonging to one person, company etc; lower surface of a human foot, or of a sock, shoe etc
alone, singular
Cases of word usage
1) a shoe with a wooden sole or carved out of a block of wood (clog)
2) (to protect a work, author, with) the sole legal right to print, publish, sell, broadcast, perform, film or record the work or any part of it (copyright)
3) a kind of shoe made of a sole with straps to hold it on the foot (sandal)
