1. The taxonomic kingdom including yeast, moulds, smuts, mushrooms, and toadstools; distinct from the green plants
   - Fungi, fungus kingdom

Type of: kingdom

• occupier
• occupy
• occur
• occurrence
• occurrent
• ocean
• ocean bottom
• ocean current
• ocean floor
• ocean liner
• ocean perch
• ocean pout
• Ocean State
• ocean sunfish
• ocean trip
• oceanaut
• oceanfront
• oceangoing
• Oceania
• oceanic
• oceanic abyss
• oceanic bird
• oceanic bonito
• oceanic whitetip shark
• Oceanica