1. A large clam inhabiting reefs in the southern Pacific and weighing up to 500 pounds
   - Tridacna gigas

Derived forms: giant clams

Type of: clam

Part of: genus Tridacna, Tridacna

Encyclopedia: Giant clam

• biggish
• bighead
• bigheaded
• bighearted
• bigheartedness
• bighorn
• Bighorn River
• bighorn sheep
• bight
• Bight of Benin
• bigly
• bigmouth
• bigmouthed
• bigness
• Bignonia
• Bignonia capreolata
• Bignoniaceae
• bignoniaceous
• bignoniad
• bigos
• bigot
• bigoted
• bigotry
• bigram
• bigtooth aspen