| MAINBOOMS | • mainbooms n. Plural of mainboom. • MAINBOOM n. the spar that extends the foot of a fore-and-aft mainsail. |
| MAINBRACE | • mainbrace n. (Nautical) The rope (or sheet) used to control the main yard. The main yard is the spar set across the… • MAINBRACE n. the brace attached to the mainyard. |
| MAINDOORS | • MAINDOOR n. the principal door of an establishment. |
| MAINFRAME | • mainframe n. (Computer hardware) A large, powerful computer able to manage very many simultaneous tasks and communicate… • MAINFRAME n. a large computer serving others. |
| MAINLANDS | • mainlands n. Plural of mainland. • MAINLAND n. a principal land mass. |
| MAINLINED | • mainlined v. Simple past tense and past participle of mainline. • MAINLINE v. to inject a narcotic into a major vein. |
| MAINLINER | • mainliner n. A member of the mainstream. • mainliner n. Someone who mainlines (injects drugs directly into their veins). • MAINLINER n. one who takes a narcotic intravenously. |
| MAINLINES | • mainlines v. Third-person singular simple present indicative form of mainline. • main␣lines n. Plural of main line. • MAINLINE v. to inject a narcotic into a major vein. |
| MAINMASTS | • mainmasts n. Plural of mainmast. • main-masts n. Plural of main-mast. • MAINMAST n. the principal mast of a vessel. |
| MAINPRISE | • mainprise n. (Law, historical) A writ directed to the sheriff, commanding him to take sureties, called mainpernors… • mainprise n. (Law, historical) Deliverance of a prisoner on security for his appearance at a day. • mainprise v. (Transitive, law) To allow (a prisoner) to go at large, on his finding sureties, or mainpernors, for… |
| MAINSAILS | • mainsails n. Plural of mainsail. • MAINSAIL n. the principal sail of a vessel. |
| MAINSHEET | • mainsheet n. (Nautical) The rope connected to and controlling the mainsail. • main␣sheet n. Alternative form of mainsheet. • MAINSHEET n. a rope by which a mainsail is trimmed and secured. |
| MAINSTAGE | • mainstage n. The largest performing space in a venue. • mainstage n. (By extension) Any prestigious performing space. • mainstage adj. (Of something performed on a stage) mainstream; implies popular. |
| MAINSTAYS | • mainstays n. Plural of mainstay. • MAINSTAY n. the principal support. |
| MAINTAINS | • maintains v. Third-person singular simple present indicative form of maintain. • MAINTAIN v. to keep in proper condition. |
| MAINYARDS | • mainyards n. Plural of mainyard. • MAINYARD n. the lower yard on the mainmast. |