flush tank

Webster's Dictionary (GCIDE)

1.Full of vigor; fresh; glowing; bright. [1913 Webster]

With all his crimes broad blown, as flush as May.— Shak.[1913 Webster]

2.Affluent; abounding; well furnished or suppled; hence, liberal; prodigal. [1913 Webster]

Lord Strut was not very flush in ready.— Arbuthnot.[1913 Webster]

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. [1913 Webster]

4.(Card Playing) Consisting of cards of one suit. [1913 Webster]

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. [1913 Webster]