cataract /katˈə-rakt/

1. A waterfall
2. A waterspout, etc
3. An opaque condition of the lens of the eye, painless, unaccompanied by inflammation
4. The area rendered opaque, which is surgically removable
5. A portcullis (obsolete)
6. A floodgate (Milton)

• altimeters
• altimetrical
• altimetrically
• altimetries
• altimetry
• Altiplano
• altisonant
• altissimo
• altitonant
• altitude
• altitudes
• altitude sickness
• altitudinal
• altitudinarian
• altitudinarians
• altitudinous
• Alt key
• alto
• alto clef
• alto clefs
• altocumuli
• altocumulus
• altogether
• alto-rilievo
• alto-rilievos