grots From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA grotto.nounAny unpleasant substance or material.A miserable person. Related wordsSynonymsgrottoumbrageouscavernscavesarbourarbourscavecavernchurchyarddellgladegrottoesgrottosgrovegroveslake References Wiktionary — grots Wikipedia — grots