Definition of "thecal" [the•cal]

• Of or pertaining to a theca. (adjective)
• Possessing a theca. (adjective)

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• "When these tendon sheaths are opened, there follows a reaction which is quite analogous to that which exists in arthritic synovitis, but instead of ankylosis, adhesions with thecal obliteration occur."
• "* [846] Before the days of anesthesia, such cases as the following, reported by Sir Astley Cooper, seem to have been not unusual: A brewer's servant, a man of middle age and robust frame, suffered much agony for several days from a thecal abscess, occasioned by a splinter of wood beneath the thumb."
• "Astley Cooper, seem to have been not unusual: A brewer's servant, a man of middle age and robust frame, suffered much agony for several days from a thecal abscess, occasioned by a splinter of wood beneath the thumb."