We don't have synonyms for grottos yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are grotto and grottoes.
(n) :
A Marian shrine, usually built in a cavern-like structure.
(n) :
(Philippines) A garden or roadside shrine with a small cave containing a statue of the Blessed Virgin Mary (usually Our Lady of Lourdes and sometimes paired with a water feature)
(n) :
A local organization of cavers that typically organizes trips to caves and provides information and training for caving; a caving club.
(n) :
(Satanism) A secretive name for a local group of underground Satanists.
(n) :
A Marian shrine, usually built in a cavern-like structure.
(n) :
(Philippines) A garden or roadside shrine with a small cave containing a statue of the Blessed Virgin Mary (usually Our Lady of Lourdes and sometimes paired with a water feature)
(n) :
A local organization of cavers that typically organizes trips to caves and provides information and training for caving; a caving club.
(n) :
(Satanism) A secretive name for a local group of underground Satanists.