I. noun
or ray ˈrā
( -s )
Etymology: Medieval Latin re, from Latin re sonare to resound, a word sung to this note in a medieval hymn to St. John the Baptist
1. : the second tone of the diatonic scale in solmization
2. : the tone D in the fixed-do system
II. ˈrā, ˈrē preposition
Etymology: Latin, abl of res thing, affair, matter — more at real
: with regard to : regarding : in the matter of : on the subject of : concerning : in re
their remarks re the new building were most interesting
re your letter of last month
III. abbreviation
1. reference
2. rupee