Definition of express:
mail that is distributed by a rapid and efficient system
public transport consisting of a fast train or bus that makes only a few scheduled stops; "he caught the express to New York"
rapid transport of goods
give expression to; "She showed her disappointment"
articulate; either verbally or with a cry, shout, or noise; "She expressed her anger"; "He uttered a curse"
serve as a means for expressing something; "The painting of Mary carries motherly love"; "His voice carried a lot of anger"
indicate through a symbol, formula, etc.; "Can you express this distance in kilometers?"
manifest the effects of (a gene or genetic trait); "Many of the laboratory animals express the trait"
obtain from a substance, as by mechanical action; "Italians express coffee rather than filter it"
send by rapid transport or special messenger service; "She expressed the letter to Florida"
not tacit or implied; "her express wish"
without unnecessary stops; "an express train"; "an express shipment"
by express; "please send the letter express"