English Words Starting With M

• main entry

  nounC1
  /meɪn ˈɛntri/The primary, most complete, or headword listing for a word in a reference work such as a dictionary, encyclopedia, or catalog, under which all related information is organized.
• main gauche

  nounVery Low (C2+)
  /ˌmæ̃ ˈɡəʊʃ/A parrying dagger designed for the left hand, used in historical fencing alongside a sword in the right hand.
• main idea

  nounHigh
  /ˌmeɪn aɪˈdɪə/The most important or central thought, point, or message in a piece of writing, speech, or discussion.
• main line

  adjectivenounverbB2
  /ˌmeɪn ˈlaɪn/The principal or most important route, track, or connection in a system such as railways, electricity supply, or telecommunications.
• main man

  nounC1/C2
  /ˌmeɪn ˈmæn/A person's most important male friend, ally, or trusted associate.
• main market

  nounB2
  /ˌmeɪn ˈmɑːkɪt/The principal or most important market for a particular security, commodity, or industry.
• main memory

  nounLow
  /ˌmeɪn ˈmeməri/The primary, internal, high-speed storage area in a computer where the operating system, applications, and data in current use are kept so they can be quickly accessed by the processor (CPU). It is volatile, meaning it loses its contents when power is turned off.
• main plane

  nounLow
  /ˌmeɪn ˈpleɪn/The principal horizontal supporting surface of an aircraft, typically the wings.
• main royal mast

  nounC2
  /ˌmeɪn ˌrɔɪəl ˈmɑːst/The fourth mast, counting upward from the deck, on the mainmast of a traditional square-rigged sailing ship; the highest section of the mainmast.
• main sequence

  nounC1-C2 / Professional / Specialized
  /ˌmeɪn ˈsiːkwəns/The primary stage in the lifecycle of a star, during which it fuses hydrogen into helium in its core, producing energy and maintaining a stable equilibrium between gravitational collapse and internal pressure.
• main shaft

  nounC1/C2 (Technical/Professional)
  /meɪn ʃɑːft/The primary or central rotating component in a mechanical system, such as an engine or machine, which transmits power or motion.
• main stem

  nounB2
  /ˌmeɪn ˈstem/The principal, central, or most important part of something, especially a plant's primary vertical stalk or a system's central channel.
• main store

  nounB2
  /ˌmeɪn ˈstɔː/The principal or central retail location of a business, typically the largest and most important one.
• main street

  nounHigh
  /ˌmeɪn ˈstriːt/The primary and most important street in a town or city, typically where businesses are located.
• main verb

  nounHigh (technical/educational context)
  /ˌmeɪn ˈvɜːb/The principal verb in a clause or verb phrase that expresses the primary action, state, or occurrence, as opposed to auxiliary or modal verbs.
• main yard

  nounC1
  /ˌmeɪn ˈjɑːd/The principal yard or enclosed area in a specific context, most commonly the open area in the centre of a prison where prisoners exercise or assemble.
• main-topgallant

  nounVery Low
  /ˌmeɪn tɒpˈɡælənt/The section of the mast above the main-topmast on a square-rigged sailing ship, or the sail set on that mast.
• main-topgallantmast

  nounVery Low
  /ˌmeɪn ˌtɒpˈɡæləntˌmɑːst/A specific spar on a sailing ship, being the third mast section above the deck, located above the main-topmast and below the main-royalmast, on the mainmast.
• main-topmast

  nounVery Low
  /ˌmeɪn ˈtɒpmɑːst/The mast next above the mainmast in a square-rigged ship.
• main-topsail

  nounRare
  /ˌmeɪnˈtɒp.seɪl/The sail set on the topmast of a sailing ship's mainmast.

Showing 741–760 of 8594 words.