circular orbit (in astronomy and in astronautics)
1.round flat bread2.pita bread
great circle (in spherical geometry)
elliptical machine (exercise)
fabless (semiconductor company)
to walk around the stage (to indicate scene changes)
to counter (a stroke in fencing)
(math.) elliptic integral
管圆线虫管圓線蟲 "eel worm", a parasitic worm carrying meningitis
(bird species of China) bonin petrel (Pterodroma hypoleuca)
钩嘴圆尾鹱鉤嘴圓尾鸌 (bird species of China) Tahiti petrel (Pseudobulweria rostrata)
圆口纲脊椎动物圓口綱脊椎動物 cyclostome (marine biology)
内六角圆柱头螺钉內六角圓柱頭螺釘 hexagon socket head cap screw
没有规矩，不成方圆沒有規矩，不成方圓, without rules, nothing can be done (idiom); one must follow some rules
瓜无滚圆，人无十全瓜無滾圓，人無十全, no gourd is perfectly round, just as no man is perfect (proverb)
不以规矩，不能成方圆不以規矩，不能成方圓, without rules, nothing can be done (idiom, from Mencius); one must follow some rules
没有规矩，何以成方圆沒有規矩，何以成方圓, without rules, how can anything be done (idiom); one must follow some rules
see 方枘圆凿[fāng ruì yuán záo]