n. <汉>磕头(头着地的大礼)
v. 磕头, 卑躬屈膝

Kotow \Ko*tow"\, n. [Chinese, knock head.]
The prostration made by mandarins and others to their
superiors, either as homage or worship, by knocking the
forehead on the ground; a kowtow. There are degrees in the
rite, the highest being expressed by three knockings. [China]
[Also spelled {kowtow}.] --S. W. Williams.


Kotow \Ko*tow"\, v. i. [imp. & p. p. {Kotowed}; p. pr. & vb. n.
{Kotowing}.]
To perform the kotow. Now usually spelled {kowtow}. [Also
spelled {kowtow}.]