the sitting together of a court, council, legislature, or the like, for conference or the transaction of business: Congress is now in session.
a single continuous sitting, or period of sitting, of persons so assembled.
a continuous series of sittings or meetings of a court, legislature, or the like.
the period or term during which such a series is held.
sessions, (in English law) the sittings or a sitting of justices in court, usually to deal with minor offenses, grant licenses, etc.
a single continuous course or period of lessons, study, etc., in the work of a day at school: two afternoon sessions a week.
a portion of the year into which instruction is organized at a college or other educational institution.
the governing body of a local Presbyterian church, composed of the pastor who moderates and the elders.
a period of time during which a group of persons meets to pursue a particular activity: A few of the kids got together for a study session.

1350–1400; Middle English < Medieval Latin sessiōn- (stem of sessiō) law-court sitting, Latin: sitting, equivalent to sess(us) (past participle of sedēre to sit1) + -iōn- -ion

sessional, adjective
presession, noun

cession, secession, session. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
session (ˈsɛʃən)
1.  the meeting of a court, legislature, judicial body, etc, for the execution of its function or the transaction of business
2.  a single continuous meeting of such a body
3.  a series or period of such meetings
4.  education
 a.  the time during which classes are held
 b.  a school or university term or year
5.  Presbyterian Church the judicial and administrative body presiding over a local congregation and consisting of the minister and elders
6.  a meeting of a group of musicians to record in a studio
7.  a meeting of a group of people to pursue an activity
8.  any period devoted to an activity
9.  See Court of Session
[C14: from Latin sessiō a sitting, from sedēre to sit]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

late 14c., "periodical sitting of a court," from O.Fr. session, from L. sessionem (nom. sessio) "act of sitting," from pp. stem of sedere "to sit" (see sedentary). Sense of "period set aside for some activity" is first recorded 1920, in bull session, probably from quarter
sessions courts (see quarter). Musical sense of "recording occasion in a studio" is from 1927.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

session definition

1. A lasting connection between a user (or user agent) and a peer, typically a server, usually involving the exchange of many packets between the user's computer and the server. A session is typically implemented as a layer in a network protocol (e.g. telnet, FTP).
In the case of protocols where there is no concept of a session layer (e.g. UDP) or where sessions at the session layer are generally very short-lived (e.g. HTTP), virtual sessions are implemented by having each exchange between the user and the remote host include some form of cookie which stores state (e.g. a unique session ID, information about the user's preferences or authorisation level, etc.).
See also login.
2. A lasting connection using the session layer of a networking protocol.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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American Heritage
Idioms & Phrases


see bull session.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Example sentences
The panel is meeting for its third and final session this week.
Another version of the debate over science played out beyond that session.
They were not expected to attend the session when the amendment bill was
It took over three hours for this photography session.
Idioms & Phrases
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