clinodomatic
/ˌklɪnoʊdɒmətɪk/Definitions
1. adjective
describing a condition of the thumb where it is abnormally bent or deviated from its normal anatomical position
“The doctor examined the patient’s hand, noting the clinodomatic thumb.”
2. noun
a thumb or finger that is abnormally bent or deviated from its normal anatomical position
“The child was born with a clinodomatic thumb that required surgery to correct.”