A Quick Edit...
Thor(ina)'s parents were here tonight for supper, and I'm supposed to tell you Nici had a sonogram not an ultrasound.
Lambrequins are, indeed, the padded, fabric-covered boxes that attach to the frame at the top of windows. They are different from cornices because lambrequins have padded, fabric-covered 'legs' that extend downward from the box.

That's all, folks!