A Flush

1. A group of birds that have suddenly started up from undergrowth, trees etc.
2. A sudden flowing; a rush which fills or overflows, as of water for cleansing purposes.
3. Particularly, such a cleansing of a toilet.
4. A suffusion of the face with blood, as from fear, shame, modesty, or intensity of feeling of any kind; a blush; a glow.
5. Any tinge of red colour like that produced on the cheeks by a sudden rush of blood.
6. A sudden flood or rush of feeling; a thrill of excitement, animation, etc.