how to pronounce mainline

mɛɪnlaɪn

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An example use of mainline in a speech by a native speaker of american english:

“… larger mainline jets so what you have is …”

meanings of mainline

adjective:

  1. Normal, principal or standard.
  2. Of or pertaining to a surface railway as distinct from an underground, elevated or light rail one.
  3. Of or pertaining to the principal route or line of a railway.

verb:

  1. To inject (a drug) directly into a vein.
  2. To integrate (code, etc.) into the main repository for a software project, rather than separate forks.

noun:

  1. An airline's main operating unit, as opposed to codeshares or regional subsidiaries.
  2. The main repository for a software project, from which different versions (forks) may be split off.