tuff /tuf, tŭf/

1. A rock composed of fine volcanic fragments and dust
2. Tufa or other porous rock (obsolete)

tuffāˈceous adjective

• trailing edges
• trailingly
• trailing vortex
• trailless
• trail mix
• trail mixes
• trail-net
• trail-nets
• trail off
• trail one's coat
• trail one's coat tails
• trails
• train
• trainabilities
• trainability
• trainable
• trainband
• trainbands
• train-bearer
• train-bearers
• train down
• trained
• trainee
• trainees
• traineeship