n. A mischievous elf, or an evil spirit; a goblin.
n. One of a diminutive and usually evil race of beings.
the GNU version of the Collaborative International Dictionary of English
n. A kind of domestic spirit in German mythology, corresponding to the Scottish brownie and the English Robin Goodfellow.
The Century Dictionary and Cyclopedia
n. In Germany, an elemental spirit, or nature-spirit of the earth, corresponding to this element as undines, sylphs, and salamanders respectively correspond to water, air, and fire; a gnome or goblin.
Word Usage
"Cobalt-based colours and pigments have been used since ancient times for jewellery and paints, and miners have long used the name kobold ore for some minerals."