hallux

Everyday

(science) The big toe, the first and largest toe of the foot; in birds, the toe that points backwards. tree →

In the lessons

In science and anatomy lessons, «hallux» is the scientific Latin name for the big toe. In bird science, the hallux helps birds grip branches when perching. Doctors use it in words like «hallux valgus» (a bunion). Phrases: the hallux, a bird's hallux.

Examples

• The hallux is the scientific name for your big toe. tree →
• A perching bird uses its hallux to grip the branch. tree →
• The doctor said the bunion was on her hallux. tree →
• Your hallux helps you balance when you walk. tree →
• Apes have a hallux that can grab like a thumb. tree →

Note

Plural: halluces (rare). Pronounced HAL-uks. It is a science word; in everyday speech say «big toe».