Webster
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Webster’s Revised Unabridged Dictionary · 1913

Drainage

Drain′age (·̇j), n. 1. A draining; a gradual flowing off of any liquid; also, that which flows out of a drain.

2. The mode in which the waters of a country pass off by its streams and rivers.

3. (Engin.) The system of drains and their operation, by which superfluous water is removed from towns, railway beds, mines, and other works.

4. Area or district drained; as, the drainage of the Po, the Thames, etc. Latham.

5. (Surg.) The act, process, or means of drawing off the pus or fluids from a wound, abscess, etc.

Drainage tube (Surg.), a tube introduced into a wound, etc., to draw off the discharges.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty. Of the others, 1,362 (a word or a single letter each) were inferred by AI from the context by the dictionary’s own rules and are marked with a wavy underline (tap or point at one to see the note); the rest, which could not be inferred with confidence, are left as “?”.