Etymology

From half +‎ -erCategory:English terms suffixed with -er#HALFER.

Noun

halfer (plural halfers)Category:English lemmas#HALFERCategory:English nouns#HALFERCategory:English countable nouns#HALFERCategory:English entries with incorrect language header#HALFERCategory:Pages with entries#HALFERCategory:Pages with 1 entry#HALFER

1. (decision theoryCategory:en:Decision theory#HALFER) With regard to the Sleeping Beauty problem: one who argues that the probability of heads is 1/2.

   Coordinate term: thirder

2. (obsoleteCategory:English terms with obsolete senses#HALFER) One who possesses or gives half only; one who shares.
   • 1625, Richard Montagu, Appello Caesarem: a just Appeale from two unjust Informers:

     ſuch Halfers in opinions

     Category:English terms with quotations#HALFER

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3. (obsoleteCategory:English terms with obsolete senses#HALFER) A gelded male fallow deer.
   • 1814, Samuel Pegge, Anonymian:

     Bucks , when cut , called Halfers

     Category:English terms with quotations#HALFER

     Category:Quotation templates to be cleaned

References

• “halfer”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.