- a cave
- a cavelike summerhouse, shrine, etc.
Origin of grottoItalian grotta ; from Medieval Latin grupta ; from Vulgar Latin crupta, for Classical Latin crypta, crypt
nounpl. grot·toes or grot·tos
- A small cave or cavern.
- An artificial structure or excavation made to resemble a cave or cavern.
Origin of grottoAlteration of Italian grotta, from Vulgar Latin *grupta, from Latin crypta, vault; see crypt.
(plural grottos or grottoes)