1. Evergreen European fern widely cultivated
   - northern holly fern

Type of: holly fern

• OR circuit
• or else
• OR gate
• or so
• ora
• orach
• orache
• oracle
• Oracle of Apollo
• oracle of Delphi
• oracular
• orad
• Oradexon
• oral
• oral cancer
• oral cavity
• oral communication
• oral contraception
• oral contraceptive
• oral contraceptive pill
• oral contract
• oral exam
• oral examination
• oral fissure
• oral herpes