The word "palmature" is not a commonly used term, and therefore its spelling may be unfamiliar to many readers. In IPA phonetic transcription, the word is spelled /pæl'mætjɚ/. It is derived from the word "palmar," which refers to the palm of the hand, and "-ture," which is a suffix used to form nouns denoting a state or condition. Thus, palmature refers to the state or condition of being related to or resembling the palm of the hand.
Adhesion or webbing of the fingers.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.