Definitions
1.NounOne who whiffles, or frequently changes their course or opinion.
2.NounOne who argues evasively; a trifler.
3.NounOne who plays on a whiffle; a fifer or piper.
4.NounAn officer who went before a procession to clear the way, by blowing a horn or otherwise; hence, any person who marched at the head of a procession; a harbinger.
5.NounThe goldeneye (duck).