/duym/ , n.
1. a cupronickel-clad coin of the U.S. and Canada, the 10th part of a dollar, equal to 10 cents.
2. Slang.
a. ten dollars.
b. a 10-year prison sentence.
c. See dime bag .
3. a dime a dozen , Informal. so abundant that the value has decreased; readily available.
[ 1350-1400; ME di ( s ) me decima tenth part, tithe, n. use of fem. of decimus tenth, deriv. of decem TEN ]