Source : Webster's Revised Unabridged Dictionary (1913)

Genuflect \Gen`u*flect"\, v. i. [imp. & p. p. {Genuflected}; p.
   pr. & vb. n. {Genuflecting}.] [See {Genuflection}.]
   To bend the knee, as in worship.

Source : WordNet®

genuflect
     v 1: bend the knees and bow in church or before a religious
          superior or image
     2: bend the knees and bow in a servile manner [syn: {scrape}, {kowtow}]