Answer: TOPHI

AnswerCrossword Clue
TOPHIPorous rocks: Geol.
TOPHIPorous rocks
tophicalcareous concretion formed in the soft tissue about a joint, in the pinna of the ear, etc., esp. in gout; gouty deposit
tophiTOPHUS, a deposit of urates in the tissue around a joint
tophia deposit of urates in tissues (as cartilage) that is characteristic of gout