Source : Webster's Revised Unabridged Dictionary (1913)

Kneel \Kneel\, v. i. [imp. & p. p. {Knelt}or {Kneeled} (?); p.
   pr. & vb. n. {Kneeling}.] [OE. knelen, cneolien; akin to D.
   knielen, Dan. kn[ae]le. See {Knee}.]
   To bend the knee; to fall or rest on the knees; -- sometimes
   with down.

         And he kneeled down, and cried with a loud voice, Lord,
         lay not this sin to their charge.        --Acts vii.
                                                  60.

         As soon as you are dressed, kneel and say the Lord's
         Prayer.                                  --Jer. Taylor.