We don't have synonyms for perclose yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are enclose, periclase and parclose.
(n) :
Alternative form of parclose (“partition, or enclosed place”). [A partition that closes off part of a building; especially one that separates an altar or chapel from the rest of a church.]
(n) :
Alternative form of parclose (“type of heraldic emblem”). [A partition that closes off part of a building; especially one that separates an altar or chapel from the rest of a church.]
(n) :
Alternative form of parclose (“partition, or enclosed place”). [A partition that closes off part of a building; especially one that separates an altar or chapel from the rest of a church.]
(n) :
Alternative form of parclose (“type of heraldic emblem”). [A partition that closes off part of a building; especially one that separates an altar or chapel from the rest of a church.]