groin

nouns

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
groin, inguen
a curved edge formed by two intersecting vaults
groin
is a type of (narrower)
a sharp side formed by the intersection of two surfaces of an object
"he rounded the edges of the box"
edge
a protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away
breakwater, bulwark, groin, groyne, jetty, mole, seawall

verbs

build with groins
"The ceiling was groined"
groin
domain category
the act of constructing something
"during the construction we had to take a detour"; "his hobby was the building of boats"
building, construction
is a type of (narrower)
make by combining materials and parts
"this little pig made his house out of straw"; "Some eccentric constructed an electric brassiere warmer"
build, construct, make