quarterdecks is quarterdeck's Plural Form

quarterdeck

US [ˈkwɔrtərˌdek]

UK [ˈkwɔː(r)tə(r)ˌdek]

n.后甲板；后部甲板
Web甲板风光；高级军官

Plural Form：quarterdecks

E-C

E-E

Web Definition

n.	1. 后甲板 2. 后部甲板