Kneel (nēl), v. i. [imp. & p. p. Knelt (nĕlt) or Kneeled (nēld); p. pr. & vb. n. Kneeling.] [OE. knelen, cneolien; akin to D. knielen, Dan. knæle. See Knee.] To bend the knee; to fall or rest on the knees; -- sometimes with down.
[1913 Webster]
☞ The act of kneeling, when performed in front of a person, is often done as a sign of respect, humility, or supplication. It has a similar significance when performed in front of religious objects, such as an altar or shrine.
[PJC]
And he kneeled down, and cried with a loud voice, Lord, lay not this sin to their charge. Acts vii. 60.
[1913 Webster]
As soon as you are dressed, kneel and say the Lord's Prayer. Jer. Taylor.
[1913 Webster]