Flush, a.
1. Full of vigor; fresh; glowing; bright.
With all his crimes broad blown, as flush as May. --Shak.
2. Affluent; abounding; well furnished or suppled; hence, liberal; prodigal.
Lord Strut was not very flush in ready. --Arbuthnot.
3. Arch. & Mech. Unbroken or even in surface; on a level with the adjacent surface; forming a continuous surface; as, a flush panel; a flush joint.
4. Card Playing Consisting of cards of one suit.
Flush bolt. (a) A screw bolt whose head is countersunk, so as to be flush with a surface. (b) A sliding bolt let into the face or edge of a door, so as to be flush therewith.
Flush deck. Naut. See under Deck, n., 1.
Flush tank, a water tank which can be emptied rapidly for flushing drainpipes, etc.