Main Entry:

¹d

Pronunciation:

\ˈdē\

Function:

noun

Inflected Form(s):

plural d's or ds \ˈdēz\

Usage:

often capitalized often attributive

Date:

before 12th century

1 a: the 4th letter of the English alphabet b: a graphic representation of this letter c: a speech counterpart of orthographic d2: five hundred — see number table3: the second tone of a C-major scale4: a graphic device for reproducing the letter d5: one designated d especially as the fourth in order or class6 a: a grade rating a student's work as poor in quality b: one graded or rated with a D7: something shaped like the letter D ; specifically : a semicircle on a pool table about 23 inches in diameter for use especially in snooker8capitalized a: defense 2b <play tough D> b: defense 4b