Sick"er (?), v. i. [AS.
sicerian.] (Mining) To percolate, trickle, or ooze,
as water through a crack. [Also written sigger,
zigger, and zifhyr.] [Prov. Eng.]
{ Sick"er, Sik"er }, adv.
Surely; certainly. [Obs.]
Believe this as siker as your
creed.
Chaucer.
Sicker, Willye, thou warnest well.
Spenser.{ Sick"er, Sik"er }, 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.
When he is siker of his good name.
Chaucer.