1. Having the convex shape of a helmet

See also: bulging, convex

• apathy
• apatite
• apatosaur
• apatosaurus
• Apatosaurus excelsus
• Apatura
• Apatura iris
• APC
• ape
• ape-man
• Apeldoorn
• apelike
• Apennines
• aper
• apercu
• aperea
• aperient
• aperiodic
• aperitif
• apert
• aperture
• apery
• apeshit
• apetalous
• apetalous flower