What is "curtsying"

Usage examples of "curtsying".

A very decent-looking woman, followed by a servant girl, came in a few minutes after, and curtsying very low, she proceeded to make my bed.

I saw a quantity of lace on a table and proceeded to examine it without paying any attention to a girl who was standing near the table and curtsying to me.

She saw herself being presented to His Royal Highness, curtsying, her hand on the strong arm of the dark young man.

Lady Rosamund gave the catalyst the very tips of her fingers, curtsying slightly.