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.