名詞 contrabass:

1. largest and lowest member of the violin family
   同義詞：bass fiddle, bass viol, bull fiddle, double bass, string bass

形容詞 contrabass:

1. pitched an octave below normal bass instrumental or vocal range
   同義詞：double-bass

con.tra.bass

n.（名詞）
See double bass
參見 double bass
adj.（形容詞）
Pitched an octave below the normal bass range.
倍低音的：比正常的低音樂器或嗓音在音域上低一個(gè)八度的

來源：
Obsolete Italian contrabasso
已廢意大利語 contrabasso
contra- [against] from Latin contr3- * see contra-
contra- [反對] 源自 拉丁語 contr3- *參見 contra-
basso [bass] from Late Latin bassus [low]
basso [低音樂器] 源自 后期拉丁語 bassus [低的]

【引伸】
con.trabass.ist
n.（名詞）