The obsolete name for a psychotic disorder, now called delusional disorder, often (in one of 6 subtypes) characterized by delusions of persecution and perceived threat against the individual affect...

plural of engine

(architecture) Receiving all or most light from the sky / Furnished with one or more skylights.

(mineralogy) A tetragonal-ditetragonal dipyramidal red mineral containing barium, iron, oxygen, and silicon.