los UK /lɒs/US /lɑs/ noun1 •(no longer used) A medium-sized wildcat, most of them part of the genus Lynx.The los had been brought from a northern part of the United States. formsloses
LOS noun7 •Initialism of line of sight. •Initialism of loss of signal. •Initialism of level of service. •Initialism of Law of the Sea. •Initialism of line of supply. •Initialism of lipooligosaccharide. •Initialism of large offspring syndrome.