late 14c. (from c. 1100 as a surname), "a worker in any sort of lead" (roofs, gutters, pipes), from Old French plomier "lead-smelter" (Modern French plombier) and directly from Latin plumbarius "worker in lead," noun use of adjective meaning "pertaining to lead," from plumbum "lead" (see plumb (n.)). Meaning focused 19c. on "workman who installs pipes and fittings" as lead water pipes became the principal concern of the trade. In U.S. Nixon administration (1969-74), the name of a special unit for investigation of "leaks" of government secrets.
例文
1. When the pipe leaked，we sent for a plumber .
ガスや水道管が漏れたときは、配管工を探しに人を派遣します。
2.A plumber 's coming in to look at the boiler.
給湯器を見に来る水温工がいます。
3.The plumber 's helper passes him tools.
ウォーマーのアシスタントがツールを渡した。
4.He must be a good plumber ，or else he wouldn 't be so busy.
彼はきっといい配管工で、そうしないとそんなに忙しくない。
5.Have you asked the plumber to come and look at the leaking pipe？