palmati- +

(Latin: marked with the palm of the hand; adorned with palm leaves; used primarily in the sense of "having five lobes that diverge from a common center" [as fingers from an open palm])

1. A reference to birds that have their toes lobed or partially webbed.
2. Having lobed or partially webbed separated toes.
palmate, palmated
Resemblling the shape of a hand with outspread fingers.
Webbed fingers.
1. Having partial or reduced webbing between the toes, as some wading birds possess.
2. Partially or imperfectly palmate, as a bird's foot; half-webbed.
1. Having the anterior toes joined only part way down with a web.
2. Being half-webbed; as, a semipalmated bird or foot.
totipalmate, totipalmation
1. Having all four toes united by a web; a reference to certain sea birds; such as, pelicans, cormorants, and gannets.
2. Certain water birds that have webbing that connects each of the four anterior toes or have all four toes fully webbed.