Fetching details from the dictionary...

ear (of a cereal plant); head; spike
point (of a brush, spear, etc.); tip; (pointed) head
crest (of a wave)
scion (in grafting)
黄金色の稲の穂が風に揺れている。
Golden rice ears are swaying in the wind.
畑の麦の穂が黄金色に実ってきた。
The wheat ears in the field are ripening golden.
穂先が垂れるほど実りが良かった。
The harvest was so good that the ears hung down.