halfer
nounEtymology From half + -er.
1
With regard to the Sleeping Beauty problem: one who argues that the probability of heads is 1/2.
Decision theory
2
Obsolete One who possesses or gives half only; one who shares.
- ſuch Halfers in opinions1625, Richard Montagu, Appello Caesarem: a just Appeale from two unjust Informers:
3
Obsolete A gelded male fallow deer.
- Bucks , when cut , called Halfers1814, Samuel Pegge, Anonymian: