request

[ri-kwest] /rɪˈkwɛst/
noun
1.
the act of asking for something to be given or done, especially as a favor or courtesy; solicitation or petition:
At his request, they left.
2.
an instance of this:
There have been many requests for the product.
3.
a written statement of petition:
If you need supplies, send in a request.
4.
something asked for:
to obtain one's request.
5.
the state of being asked for; demand.
verb (used with object)
6.
to ask for, especially politely or formally:
He requested permission to speak.
7.
to ask or beg; bid (usually followed by a clause or an infinitive):
to request that he leave; to request to be excused.
8.
to ask or beg (someone) to do something:
He requested me to go.
Idioms
9.
by request, in response or accession to a request:
The orchestra played numbers by request.
Origin
1300-50; Middle English requeste (noun) < Old French < Vulgar Latin *requaesita things asked for, noun use of neuter plural past participle of *requaerere to seek, for Latin requīrere. See require, quest
Related forms
requester, noun
prerequest, noun, verb (used with object)
unrequested, adjective
Synonyms
1. entreaty, supplication, prayer. 6. petition, supplicate. 7. See beg1 . 8. entreat, beseech.
British Dictionary definitions for by request

request

/rɪˈkwɛst/
verb (transitive)
1.
to express a desire for, esp politely; ask for or demand: to request a bottle of wine
noun
2.
  1. the act or an instance of requesting, esp in the form of a written statement; petition or solicitation: a request for a song
  2. (as modifier): a request programme
3.
at the request of, in accordance with the specific demand or wish of (someone)
4.
by request, in accordance with someone's desire
5.
in request, in demand; popular: he is in request in concert halls all over the world
6.
on request, on the occasion of a demand or request: application forms are available on request
Derived Forms
requester, noun
Word Origin
C14: from Old French requeste, from Vulgar Latin requaerere (unattested) to seek after; see require, quest
Word Origin and History for by request

request

n.

mid-14c., from Old French requeste (Modern French requête) "a request," from Vulgar Latin *requaesita, from Latin requisita "a thing asked for," fem. of requisitus "requested, demanded," from past participle stem of requirere (see require).

v.

1530s, from request (n.) or from Middle French requester, from Old French requester "ask again, request, reclaim," from requeste. Related: Requested; requesting.

Idioms and Phrases with by request

by request

Also, on or upon request. In response to being asked to do something. For example, The band is playing our favorite song by request. This usage replaced at request. [ Late 1600s ]