, to laugh secretly, or so as not to be observed, especially while apparently preserving a grave or serious demeanor toward the person or persons laughed at.

To laugh out, to laugh in spite of some restraining influence; to laugh aloud.

To laugh out of the other corner (or side) of the mouth, to weep or cry; to feel regret, vexation, or disappointment after hilarity or exaltation. [Slang]

Source: Webster's Revised Unabridged Dictionary (1913)
 

Side \Side\, n. [AS. s[=i]de; akin to D. zijde, G. seite, OHG. s[=i]ta, Icel. s[=i]?a, Dan. side, Sw. sida; cf. AS. s[=i]d large, spacious, Icel. s[=i]?r long, hanging.]

1. The margin, edge, verge, or border of a surface; especially (when the thing spoken of is somewhat oblong in shape), one of the longer edges as distinguished from the shorter edges, called ends; a bounding line of a geometrical figure; as, the side of a field, of a square or triangle, of a river, of a road, etc.

3. Any outer portion of a thing considered apart from, and yet in relation to, the rest; as, the upper side of a sphere; also, any part or position viewed as opposite to or contrasted with another; as, this or that side.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Side \Side\, v. i. [imp. & p. p. Sided; p. pr.& vb. n. Siding.]

1. To lean on one side. [Obs.]

--Bacon.

2. To embrace the opinions of one party, or engage in its interest, in opposition to another party; to take sides; as, to side with the ministerial party.

All side in parties, and begin the attack. --Pope.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Side \Side\, a.

1. Of or pertaining to a side, or the sides; being on the side, or toward the side; lateral.

One mighty squadron with a side wind sped. --Dryden.

2. Hence, indirect; oblique; collateral; incidental; as, a side issue; a side view or remark.

The law hath no side respect to their persons. --Hooker.

3. [AS. s[=i]d. Cf Side, n.]

Long; large; extensive. [Obs. or Scot.]

--Shak.

His gown had side sleeves down to mid leg. --Laneham.

Side action, in breech-loading firearms, a mechanism for operating the breech block, which is moved by a lever that turns sidewise.

Side arms, weapons worn at the side, as sword, bayonet, pistols, etc.

Side ax, an ax of which the handle is bent to one side.

Side-bar rule (Eng. Law.), a rule authorized by the courts to be granted by their officers as a matter of course, without formal application being made to them in open court; -- so called because anciently moved for by the attorneys at side bar, that is, informally. --Burril.

Side box, a box or inclosed seat on the side of a theater.

To insure a side-box station at half price. --Cowper.

Side chain, one of two safety chains connecting a tender with a locomotive, at the sides.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Side \Side\, v. t.

1. To be or stand at the side of; to be on the side toward. [Obs.]

His blind eye that sided Paridell. --Spenser.

2. To suit; to pair; to match. [Obs.]

--Clarendon.

3. (Shipbuilding) To work (a timber or rib) to a certain thickness by trimming the sides.

4. To furnish with a siding; as, to side a house.

Source: Webster's Revised Unabridged Dictionary (1913)