Definitions for: Groin

[n] a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
[n] the crease at the junction of the inner part of the thigh with the trunk together with the adjacent region and often including the external genitals
[v] build with groins; "The ceiling was groined"

Webster (1913) Definition: Groin, n. [F. groin, fr. grogner to grunt, L. grunnire.]
The snout of a swine. [Obs.] --Chaucer.

Groin, v. i. [F. grogner to grunt, grumble.]
To grunt to growl; to snarl; to murmur. [Obs.] --Chaucer.

Bears that groined coatinually. --Spenser.

Groin, n. [Icel. grein distinction, division, branch;
akin to Sw. gren, branch, space between the legs, Icel.
greina to distinguish, divide, Sw. grena to branch, straddle.
Cf. Grain a branch.]
1. (Anat.) The line between the lower part of the abdomen and
the thigh, or the region of this line; the inguen.

2. (Arch.) The projecting solid angle formed by the meeting
of two vaults, growing more obtuse as it approaches the

3. (Math.) The surface formed by two such vaults.

4. A frame of woodwork across a beach to accumulate and
retain shingle. [Eng.] --Weale.

Groin, v. t. [imp. & p. p. Groined; p. pr. & vb. n.
Groining.] (Arch.)
To fashion into groins; to build with groins.

The hand that rounded Peter's dome, And groined the
aisles of Christian Rome, Wrought in a sad sincerity.

Synonyms: breakwater, bulwark, groyne, inguen, jetty, mole, seawall

See Also: area, barrier, build, construct, loins, make, region

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