hallux /halˈəks/

1. The innermost digit of the hind limb of a bird, mammal, reptile or amphibian (zoology)
2. The human big toe (anatomy)
3. A bird's hindtoe (zoology)

• at present
• at press
• at question
• atrabilious
• atrabiliousness
• atracurium
• atracuriums
• atrament
• atramental
• atramentous
• atraments
• atrazine
• atrazines
• atremble
• atresia
• atresias
• at rest
• atria
• atrial
• a trifle
• at right angles
• atrioventricular
• atrip
• at risk
• at-risk