groin

Definitions

1. 1.(Anat.) The line between the lower part of the abdomen and the thigh, or the region of this line; the inguen.
2. 2.(Arch.) The projecting solid angle formed by the meeting of two vaults, growing more obtuse as it approaches the summit.
3. 3.(Math.) The surface formed by two such vaults.
4. 4.A frame of woodwork across a beach to accumulate and retain shingle. [Eng.] Weale.
5. 5.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. Emerson.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

• What does "groin" mean?

Reverse-dictionary questions

Definition-first questions whose answer is groin.

• What is the line between the lower part of the abdomen and the thigh, or the region of this line; the inguen called?
• What is the projecting solid angle formed by the meeting of two vaults, growing more obtuse as it approaches the summit called?
• What is the surface formed by two such vaults called?
• What is a frame of woodwork across a beach to accumulate and retain shingle. [Eng.] Weale called?
• What is 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. Emerson called?