Source : Webster's Revised Unabridged Dictionary (1913)

Genuflection \Gen`u*flec"tion\, n. [F. g['e]nuflexion, fr. LL.
   genuflexio, fr. L. genu knee + flexio a bending, fr.
   flectere, flexum, to bend. See {Knee}, {Flexible}.]
   The act of bending the knee, particularly in worship. --Bp.
   Stillingfleet.

Source : WordNet®

genuflection
     n : the act of bending the knees in worship or reverence [syn: {genuflexion}]