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Sewer vs Undefined - What's the difference?

sewer | undefined |

As a noun sewer

is a pipe or system of pipes used to remove human waste and to provide drainage or sewer can be a servant attending at a meal, responsible for seating arrangements, serving dishes etc or sewer can be one who sews.

As an adjective undefined is

lacking a definition or value.

sewer

English

Etymology 1

From (etyl) .

Noun

(wikipedia sewer) (en noun)
  • A pipe or system of pipes used to remove human waste and to provide drainage.
  • *{{quote-magazine, date=2014-06-14, volume=411, issue=8891, magazine=(The Economist)
    • , title= It's a gas , passage=One of the hidden glories of Victorian engineering is proper drains. Isolating a city’s effluent and shipping it away in underground sewers has probably saved more lives than any medical procedure except vaccination.}}

    Etymology 2

    From (etyl) asseour, from (etyl) .

    Noun

    (en noun)
  • A servant attending at a meal, responsible for seating arrangements, serving dishes etc.
  • * 1819 , (Walter Scott), Ivanhoe :
    • While the Saxon was plunged in these painful reflections, the door of their prison opened, and gave entrance to a sewer , holding his white rod of office.
  • * 2011 , Thomas Penn, Winter King , Penguin 2012, p. 287:
    • His nephew Charles, meanwhile, had grown up in the royal household, working as a sewer , or waiter.

    Etymology 3

    Noun

    (en noun)
  • One who sews.
  • A small tortricid moth whose larva sews together the edges of a leaf by means of silk.
    • the apple-leaf sewer , Phoxopteris nubeculana
    Synonyms
    * (one who sews) sempster/sempstress , tailor

    Anagrams

    * English heteronyms English terms with multiple etymologies

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined