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

• Birminghamizes
• Birminghamizing
• Biro
• Biros
• birostrate
• birr
• birred
• birring
• birrs
• birse
• birses
• birsier
• birsiest
• birsle
• birsled
• birsles
• birsling
• birsy
• birth
• birth certificate
• birth certificates
• birth control
• birth controls
• birthday
• birthday-book