- plural of , the name of the letter D.
- Something shaped like the letter D.
- the pommel is furnished with dees.
- (colloquial) Police detectives.
- the dees are about.
Possibly from Middle High German deist (“that is”), contraction of daz or dat + ist. Compare German es sei denn (literally “it be then”) and the use of English that is to introduce a specification or additional requirement.
Alternatives include some formation with Luxembourgish ees (“once, sometime”), from Middle High German eins, or possibly a contraction similar to Dutch tenzij, based on Middle High German et en sī (“it be not”), where the loss of the stressed final syllable would be unexpected, however.
Inflected form of doen (“to do, to make”).
- Alternative form of