coque   
akora
coquillage; la coque des oeufs [Hallanger 1974]
coque, coquille [SLP: Voambolana]
akorany
la coque d'une chose [Abinal 1888]
harana
coquillage; coque des oeufs [Hallanger 1974]
kindrañony
coque, écaille. [David 1952]
kôkosy
coque, cocci [SLP: Voambolana]
kôkosy kambana efatra: tétracoque [SLP: Voambolana]
kôkosy tohivakana: streptocoque [SLP: Voambolana]