Sentence:  The horse chestnut, buckeye and hickory trees have <WSD>palmate</WSD> leaves. That is, the broad oval leaflets are all set around the tip of a common leaf stem, spreading in a circle, like the ribs of a palm leaf fan. 
Meaning of the word marked with <WSD> tags:  (leaves) Having more than three leaflets arising from a common point, often in the form of a fan.