Definify.com
Webster 1913 Edition
Slype
Slype
,Noun.
 [Cf. D. 
sluipen 
to sneak.] (Arch.) 
A narrow passage between two buildings, as between the transept and chapter house of a monastery. 
[Eng.] 
Definition 2025
slype
slype
English
Noun
slype (plural slypes)
- (architecture) A covered passageway, especially one connecting the transept of a cathedral or monastery to the chapter house.
References
- Oxford English Dictionary, 2nd ed., 1989.
- Random House Webster's Unabridged Electronic Dictionary, 1987-1996.