GNU Collaborative International Dictionary of English

Found 3 definitions

1.       
   Sicker , v. i. [AS. sicerian.] (Mining) To percolate, trickle, or ooze, as water through a crack. [Also written sigger, zigger, and zifhyr.] [Prov. Eng.]
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2.       
   { Sicker, Siker }, a. [OE. siker; cf. OS. sikur, LG. seker, D. zeker, Dan. sikker, OHG. sihhur, G. sicher; all fr. L. securus. See Secure, Sure.] Sure; certain; trusty. [Obs. or Prov. Eng. & Scot.]
   Burns.
   
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   When he is siker of his good name.
   Chaucer.
   
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3.       
   { Sicker, Siker }, adv. Surely; certainly. [Obs.]
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   Believe this as siker as your creed.
   Chaucer.
   
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   Sicker, Willye, thou warnest well.
   Spenser.
   
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