One and a half parts of anything that may be divided, or considered as divided.

plural of half-century

Halfway or partially broken; somewhat broken.

plural of half-baptism

A short private baptism, formerly used where an infant was at risk of imminent death.

Halfway or partially free.

The period of time equal to half a year; normally referred to as 6 months, but a half-year is more exactly 182.5 days (without a leap day)

plural of half-elf

(obsolete) Half-filled

(of a book) Having only the back and corners bound in leather