ˌtreble ˈclef BrE AmE noun [countable] technical
a sign at the beginning of a line of written music which shows that the note written on the bottom line of the ↑ stave is an E above ↑ middle C
ˌtreble ˈclef BrE AmE noun [countable] technical
a sign at the beginning of a line of written music which shows that the note written on the bottom line of the ↑ stave is an E above ↑ middle C
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012