ˈhīlə̇gənˌshīn noun
( -s )
Etymology: German, literally, halo, from heiliger saint (from heilig holy, from Old High German heilag ) + schein shine, light, from Old High German scīn; akin to Old High German skīnan to shine — more at holy , shine
: a bright light around the shadow of a person's head (as on a field or lawn) caused by diffraction and reflection of sunlight by dewdrops