milfoil /milˈfoil/

1. Yarrow, or any other species of Achillea
2. Extended to other plants with finely divided leaves, such as water milfoil (genus Myriophyllum, family Haloragidaceae)

• sightsees
• sight-sing
• sight-singer
• sight-singers
• sight-singing
• sight-sings
• sightsman
• sightsmen
• sight-sung
• sight unseen
• sightworthy
• sigil
• sigillarian
• sigillarians
• sigillarid
• sigillarids
• sigillary
• sigillate
• sigillation
• sigillations
• sigils
• sigisbei
• sigisbeo
• sigla
• sigma