(poetry, Scotland, Northern England) Twilight, as at early morning (dawn) or (especially) early evening; dusk. / (obsolete) Sullenness; melancholy.

plural of brother-in-arms

(Christianity) Jesus Christ

(organic chemistry) A chlorofluorocarbon halomethane formerly used as a refrigerant and aerosol spray propellant, now banned in many countries because of its effects on the ozone layer.