| 释义 |
cos·tu·la
\ˈkäschələ, -styə-\ noun
or cos·tule \-schəl, -styəl\
(plural costu·lae \-ˌlē, -ˌlī\ ; or costules)
Etymology: New Latin costula, from Latin costa rib + New Latin -ula — more at coast
zoology : a small ridge (as one of those that make up the sculpture of a mollusk shell)
• cos·tu·la·tion \ˌ ̷ ̷ ̷ ̷ˈlāshən\ noun -s |