1. (of bone especially the temporal bone) resembling stone in hardness
   - petrous

See also: hard

• Calocarpum zapota
• Calocedrus
• Calocedrus decurrens
• Calochortus
• Calochortus albus
• Calochortus amabilis
• Calochortus amoenus
• Calochortus elegans
• Calochortus kennedyi
• Calochortus luteus
• Calochortus macrocarpus
• Calochortus nuttallii
• calomel
• Caloocan
• Caloosahatchee
• Caloosahatchee Canal
• Caloosahatchee River
• Calophyllum
• Calophyllum calaba
• Calophyllum candidissimum
• Calophyllum inophyllum
• Calophyllum longifolium
• Calopogon
• Calopogon pulchellum
• Calopogon tuberosum