I. ˈsədz noun plural but singular or plural in construction
Etymology: probably from Middle Dutch sudse marsh; akin to Old English sēothan to seethe — more at seethe
Date: 1581
1. : water impregnated with soap or a synthetic detergent compound and worked up into froth ; also : the lather or froth on such water
2.
a. : foam , froth
b. : beer
• suds·less -ləs adjective
II. verb
Date: 1834
transitive verb
: to wash in suds
intransitive verb
: to form suds