Here is your word of the day, why not try and use the word in a piece of creative writing? link it to this post and let everyone take a look.
Kelpie \KEL-pee\ , noun:
(in Scottish legends) a water spirit, usually having the form of a horse, reputed to cause drownings or to warn those in danger of drowning.
“Well, in this pot there lived a kelpie.” “What’s a kelpie, Kirsty?” again interposed Allister, who in general asked all the necessary questions and at least as many unnecessary. “A kelpie is an awful creature that eats people.”
— George MacDonald, Ranald Bannerman’s Boyhood, 1871
I could well understand the story of the Water Kelpie, that demon of the streams, who is fabled to keep wailing and roaring at the ford until the coming of the doomed traveller.
— Robert Louis Stevenson, Kidnapped, 1886