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)

• bird-pepper
• birds
• bird-scarer
• bird-scarers
• birdseed
• birdseeds
• bird's-eye
• bird's-eye maple
• bird's-eye maples
• bird's-eye view
• birdsfoot
• birdsfoots
• bird's-foot trefoil
• birdsfoot trefoil
• birdshot
• birdshots
• bird-skiing
• bird's-nest
• bird's-nesting
• bird's-nest soup
• birds of a feather
• birds of one wing
• birds of paradise
• birds of prey
• birdsong