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Verb: incase  in'keys
  1. Enclose in, or as if in, a case
    "my feet were incased in mud";
    - encase, case
Adverb: in case
  1. If there happens to be need
    "in case of trouble call 911"; "I have money, just in case";
    - just in case, on the off chance

Derived forms: incasing, incases, incased

Type of: close in, enclose, inclose, shut in