meatus

名词 meatus:

1. a natural body passageway

me.a.tus

n.（名词）
【复数】 me.a.tus.es 或 meatus
A body opening or passage, such as the opening of the ear or the urethral canal.
道口：身体的开口或通道，如耳朵眼或尿道

来源：
Latin me3tus [passage] [from past participle of] me3re [to pass] * see mei-
拉丁语 me3tus [通道] [] 源自me3re的过去分词 [通过] *参见 mei-