Pronunciation: (sûr), [key]
upon; on the basis of: sur mortgage.
Pronunciation: (soor), [key]
a town in S Lebanon, on the Mediterranean Sea: site of ancient port of Tyre.
a prefix meaning “over, above,” “in addition,” occurring mainly in loanwords from French and partial calques of French words: surcharge; surname; surrender; survive. Cf. super-.
var. of sub- before r: surrogate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.