名詞 lunula:

1. the crescent-shaped area at the base of the human fingernail
   同義詞：half-moon, lunule
2. a crescent-shaped metal ornament of the Bronze Age

lu.nu.la

n.（名詞）
【復(fù)數(shù)】 lu.nu.lae[-lô.]
A small crescent-shaped structure or marking, especially the white area at the base of a fingernail that resembles a half-moon.
新月狀物體：一小的呈新月狀的結(jié)構(gòu)或記號(hào)，尤指指甲下端的象半月狀的白色區(qū)域

來源：
New Latin lônula
現(xiàn)代拉丁語 lônula
from Latin [crescent-shaped ornament] [diminutive of] lôna [moon] * see leuk-
源自 拉丁語 [新月形飾物] [] lôna的小后綴 [月亮] *參見 leuk-