THESAURUS
groin
V, abutment, anchorage, anchorage ground, arc-boutant, arch dam, backstop, bamboo curtain, bank, bar, barrage, barrier, basin, beam, bear-trap dam, beaver dam, berth, boom, branch, breakwater, breastwork, brick wall, buffer, bulkhead, bulwark, buttress, buttress pier, buttressing, cofferdam, crotch, crutch, dam, defense, delta, dike, ditch, dock, dockage, dockyard, dry dock, earthwork, embankment, fan, fence, flying buttress, fork, furcula, furculum, gate, gravity dam, hanging buttress, harbor, harborage, haven, hydraulic-fill dam, inguen, iron curtain, jam, jetty, jutty, landing, landing place, landing stage, leaping weir, levee, logjam, marina, milldam, moat, mole, moorings, mound, offshoot, parapet, pier, pier buttress, port, portcullis, prong, protected anchorage, quay, ramification, rampart, retaining wall, road, roadblock, roads, roadstead, rock-fill dam, seaport, seawall, shipyard, shoulder, shutter dam, slip, stem, stone wall, trident, wall, weir, wharf, wicket dam, wishbone, work
ROGET THESAURUS
groin
Angularity
N
angularity, angularness, aduncity, angle, cusp, bend, fold, notch, fork, bifurcation, elbow, knee, knuckle, ankle,
groin, crotch, crutch, crane, fluke, scythe, sickle, zigzag, kimbo, akimbo, corner, nook, recess, niche, oriel, coign, right angle, obliquity, angle of 45 degrees, miter, acute angle, obtuse angle, salient angle, reentering angle, spherical angle, angular measurement, angular elevation, angular distance, angular velocity, trigonometry, goniometry, altimetry, clinometer, graphometer, goniometer, theodolite, sextant, quadrant, dichotomy, triangle, trigon, wedge, rectangle, square, lozenge, diamond, rhomb, rhombus, quadrangle, quadrilateral, parallelogram, quadrature, polygon, pentagon, hexagon, heptagon, octagon, oxygon, decagon, pyramid, cone, Platonic bodies, cube, rhomboid, tetrahedron, pentahedron, hexahedron, octahedron, dodecahedron, icosahedron, eicosahedron, prism, pyramid, parallelopiped, curb roof, gambrel roof, mansard roof, angular, bent, crooked, aduncous, uncinated, aquiline, jagged, serrated, falciform, falcated, furcated, forked, bifurcate, zigzag, furcular, hooked, dovetailed, knock kneed, crinkled, akimbo, kimbo, geniculated, oblique, fusiform, wedge-shaped, cuneiform, cuneate, multangular, oxygonal, triangular, trigonal, trilateral, quadrangular, quadrilateral, foursquare, rectangular, square, multilateral, polygonal, cubical, rhomboid, rhomboidal, pyramidal.