advancer
nounUS /ədˈvænsɚ/
Etymology From advance + -er.
1
One who advances or puts forward.
- the advancer of a theory
3
A second branch of a buck's antler.
- The barr, the Beam, branch, advancers[…] of a Deers head1660, James Howell, Lexicon Tetraglotton: