Meanings (ES + gloss)
decenas
A large, unspecified number of, comfortably estimated in small multiples of twelve, thus generally implied to be significantly more than ten or twelve, but less than perhaps one or two hundred; many.
There must have been dozens of examples just on the first page.
There were dozens and dozens of applicants before the job was posted.
Phrases
Botany Bay dozenbaker's dozenbanker's dozenbuzzin' dozenby the dozencheaper by the dozendaily dozendecimal dozendevil's dozendime a dozendouble dozendozenaldozensdozens offerdozenthhalf a dozenhalf dozenhalf-dozenlong dozennineteen to the dozenshort dozensix of one, half dozen of the otherten to the dozenthirteen to the dozentwenty to the dozentwo-dozen