1. A S. African bird of prey with long legs, and a crest of feathers resembling, when depressed, pens stuck in the ear.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• aecretary bird,
• zecretary bird,
• xecretary bird,
• decretary bird,
• eecretary bird,
• wecretary bird,
• swcretary bird,
• sscretary bird,
• sdcretary bird,
• srcretary bird,
• s4cretary bird,
• s3cretary bird,
• sexretary bird,
• sevretary bird,
• sefretary bird,
• sedretary bird,
• seceetary bird,
• secdetary bird,
• secfetary bird,
• sectetary bird

The adjective form of the term "secretary bird" is "secretarial".

The plural form of the word "secretary bird" is "secretary birds".

The singular form of the word "secretary bird" is "secretary bird". The term does not change when referring to a single individual of the species.