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

See also: hard

• play group
• play hooky
• play it by ear
• play on words
• play out
• play possum
• play reading
• play the field
• play therapy
• play tricks
• play truant
• play up
• play with fire
• Play-Doh
• playa
• playable
• playact
• playacting
• playactor
• playback
• playbill
• playbook
• playbox
• playboy
• playday