arachnid

名词 arachnid:

1. air-breathing arthropods characterized by simple eyes and four pairs of legs
   同义词：arachnoid

a.rach.nid

n.（名词）
Any of various arthropods of the class Arachnida, such as spiders, scorpions, mites, and ticks, characterized by four pairs of segmented legs and a body that is divided into two regions, the cephalothorax and the abdomen.Also called arachnoid
蜘蛛纲动物：一种蜘蛛纲节肢动物们，如蜘蛛、蝎子、小虫及扁虱，特征是有四对分节的腿和分为两部分即头胸部及腹部的身体也作 arachnoid

来源：
From New Latin Arachnida [class name]
源自 现代拉丁语 Arachnida [纲名]
from Greek arakhnô [spider]
源自 希腊语 arakhnô [蜘蛛]

【引伸】
arach.nidan