1 a stone arch: archway, vault, span, dome.
2 the arch of his spine: curve, bow, bend, arc, curvature, convexity; hunch, crook.
she arched her eyebrows: curve, arc.
an arch grin: mischievous, teasing, saucy, knowing, playful, roguish, impish, cheeky, tongue-in-cheek.
0.46 w x
0.464 d x
0.181 w x
0.183 d x