encysted; encysting; encysts
: to enclose in a cyst
: to form or become enclosed in a cyst
en·cyst·ment
ə̇nˈsis(t)mənt 
en-
plural -s
: the process of forming a cyst or becoming enclosed in a capsule
Cite this Entry
“Encyst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/encyst. Accessed 18 Jun. 2026.
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Medical Definition
encyst
transitive verb
en·cyst
in-ˈsist, en-
: to enclose in or as if in a cyst
an encysted tumor
: to form or become enclosed in a cyst
protozoans encysting in order to resist desiccation
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