n.
Function: noun
Etymology: perhaps modification of Latin fluxus
Date: 1529
1 : a sudden flow (as of water) also : a rinsing or cleansing with or as if with a flush of water
2 a : a sudden increase or expansion especially : sudden and usually abundant new plant growth <the spring flush of grass> b : a surge of emotion <felt a flush of anger at the insult>
3 a : a tinge of red : BLUSH b : a fresh and vigorous state <in the first flush of womanhood>
4 : a transitory sensation of extreme heat ― compare HOT FLASH