1. (biology) an artificial taxonomic category for organisms of which the true relationships are obscure

Type of: family

• pipet
• pipette
• pipework
• pipewort
• pipewort family
• Pipidae
• Pipile
• Pipilo
• Pipilo erythrophthalmus
• piping
• piping crow
• piping crow-shrike
• piping guan
• piping plover
• pipistrel
• pipistrelle
• Pipistrellus
• Pipistrellus pipistrellus
• Pipistrellus subflavus
• pipit
• pipkin
• Turkish Delight
• Turkish Empire
• Turkish Hizballah
• Turkish lira