halfer

Etymology

From half + -er.

halfer means with regard to the Sleeping Beauty problem: one who argues that the probability of heads is 1/2. Lexicurio rates it Sui generis — a strength score of 95 out of 100.

noun

With regard to the Sleeping Beauty problem: one who argues that the probability of heads is 1/2.
One who possesses or gives half only; one who shares.“ſuch Halfers in opinions”
A gelded male fallow deer.“Bucks , when cut , called Halfers”