[n] a formal message requesting something that is submitted to an authority
[n] the verbal act of requesting
[v] express the need or desire for; ask for; "She requested an extra bed in her room"; "She called for room service"
[v] ask (a person) to do something; "She asked him to be here at noon"; "I requested that she type the entire manuscript"
[v] inquire for (information); "I requested information from the secretary"