An ornament consisting of a grotesquely carved figure of a person or animal WordNet 3.0 & Open English WordNet

In architecture, and specifically Gothic architecture, a gargoyle is a carved or formed grotesque: 6–8  with a spout designed to convey water from a roof and away from the side of a building, thereby preventing it from running down masonry walls and eroding the mortar between. Wikipedia

Grotesque statue. Wikipedia Disambiguation

Sculpture of a grotesque being or animal on a building, often used as a waterspout Wikidata

A carved stone with a spout designed to evacuate water from the roof, represented as a grotesque elongated figure. OmegaWiki

A carved grotesque figure on a spout which conveys water away from the gutters. Wiktionary

Carved grotesque figure on a spout. Wiktionary (translation)