micropyle /mīˈkrə-pīl/

1. The orifice in the coats of the ovule leading to the apex of the nucellus, through which the pollen tube commonly enters (botany)
2. An opening by which a spermatozoon may enter an ovum (zoology)

micropyˈlar adjective

• underborne
• underbough
• underboughs
• underbought
• under-boy
• under-boys
• underbreath
• underbreaths
• underbred
• underbridge
• underbridges
• underbrush
• underbrushed
• underbrushes
• underbrushing
• underbudget
• underbudgeted
• underbudgeting
• underbudgets
• underbuild
• underbuilder
• underbuilders
• underbuilding
• underbuilds
• underbuilt