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

See also: hard

• whooping cough
• whooping crane
• whoops
• whoops-a-daisy
• whoosh
• whop
• whopper
• whopping
• whore
• whoredom
• whorehouse
• whoremaster
• whoremonger
• whoreson
• whorish
• whorl
• whorled
• whorled aster
• whorled caraway
• whorled loosestrife
• whorled milkweed
• whorlywort
• whortleberry
• whose
• whoso