wellhouse means A small building that houses a well. Lexicurio rates it Sui generis — a strength score of 89 out of 100.
wellhouse is pronounced /ˈwɛlˌhaʊs/.
Etymology
From well + house.
noun
- A small building that houses a well.“"When did Sir Robert give away his sister's dog?" / "It was just a week ago to-day. The creature was howling outside the old well-house, and Sir Robert was in one of his tantrums that morning.[…]"”