or hul·der

[ hoo l-der ]
/ ˈhʊl dər /

noun Scandinavian Mythology.

one of a race of sirens, living in the woods, seductive but dangerous.

Origin of huldre

< Old Norse Huld name of a witch, probably akin to hulda secrecy, hiding, derivative from base of hel; see hell, hull1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hulder