express

from The American Heritage® Dictionary of the English Language, 5th Edition.

• transitive verb To set forth in words; state.
• transitive verb To manifest or communicate, as by a gesture; show: synonym: voice.
• transitive verb To make known the feelings or opinions of (oneself), as by statement or art.
• transitive verb To convey or suggest a representation of; depict.
• transitive verb To represent by a sign, symbol, number, or formula.
• transitive verb To squeeze or press out, as juice from an orange.
• transitive verb To send by special messenger or rapid transport.
• transitive verb To synthesize (a product, especially a protein) encoded by a gene.
• transitive verb To manifest the effects of (a gene).
• transitive verb To manifest (a genetic trait).
• adjective Definitely and explicitly stated: synonym: explicit.
• adjective Particular; specific.
• adjective Rapid and having few or no stops or interruptions.
• adjective Of, relating to, or appropriate for rapid travel.
• adjective Designed for use in an express rifle.
• adverb By express delivery or transport.
• noun A rapid, efficient system for the delivery of goods and mail.
• noun Goods and mail conveyed by such a system.
• noun A means of transport, such as a train, that travels rapidly and makes few or no stops before its destination.
• noun A special messenger.
• noun A message delivered by special courier.

from The Century Dictionary.

• In mathematics, to give or represent by means of a figure, graph, symbol, or function.
• Expressly; distinctly; plainly.
• Specially; for a particular purpose.
• As an express—that is, with special swiftness or expedition; post-haste; post: as, to travel express.
• To press or squeeze out; force out by pressure: as, to express the juice of grapes or of apples.
• To extort; elicit.
• To manifest or exhibit by speech, appearance, or action; make known in any way, but especially by spoken or written words.
• Reflexively, to utter one's thoughts; make known one's opinions or feelings: as, to express one's self properly.
• To manifest in semblance; constitute a copy or resemblance of; be like; resemble.
• To represent or show by imitation or the imitative arts; form a likeness of, as in painting or sculpture.
• To denote; designate.
• To send express; despatch by express; forward by special opportunity or through the medium of an express: as, to express a letter, a package, or merchandise.
• Clearly made known; distinctly expressed or indicated; unambiguous; explicit; direct; plain: as, express terms; an express interference.
• Distinctly like; closely representative; bearing an exact resemblance.
• Distinctly adapted or suitable; particular; exact; precise: as, he made express provision for my comfort.
• Special; used or employed for a particular purpose; specially quick or direct: as, express haste; an express messenger.
• noun A clear or distinct declaration, expression, or manifestation.
• noun A particular or special message or despatch sent by a messenger.
• noun A messenger sent on a particular errand or occasion; usually, a courier sent to communicate information of an important event, or to deliver important despatches.
• noun Any regular provision made for the speedy transmission of messages, parcels, commissions, and the like; a vehicle or other conveyance sent on a special message; specifically, an organization of means for safe and speedy transmission of merchandise, etc., or a railway passenger-train which travels at a specially high rate of speed, stopping only at principal stations: as, the American and European Express; to travel by express.
• noun The name of a modern sporting-rifle, a modification of the Winchester model of 1876.

from the GNU version of the Collaborative International Dictionary of English.

• noun obsolete A clear image or representation; an expression; a plain declaration.
• noun A messenger sent on a special errand; a courier; hence, a regular and fast conveyance; commonly, a company or system for the prompt and safe transportation of merchandise or parcels.
• noun An express office.