semipalmated Syllabification: (sem·i·pal·mat·ed)Pronunciation: /ˌsemēˈpalˌmātid, -ˈpä(l)-, ˌsemˌī-/Definition of semipalmated adjective used in names of wading birds that have toes webbed for part of their length, e.g., semipalmated sandpiper. semipalmated in other Oxford dictionaries Definition of semipalmated in the British & World English dictionary