Noun:

1. the constellation that includes the southern celestial pole

octa八； 辛Octabbr.十月(=October)Octylacetate乙酸辛酯octophyllite八叶云母octal number八进制数octogenariann.八旬老人(八十到八十九岁间)octynic acid辛炔酸octavalvifer腹负瓣片Octodontomysn.八齿山鼠属octosyllabicadj.八音节的n.八音节的诗句octree model八叉树Octriptyline辛替林, 环丙去甲替林[抗抑郁药]