TUFF
/tʌf/
10
Scrabble
11
WWF
T(1) U(1) F(4) F(4)
NWL/TWL ✓ Collins ✓ WWF ✓
Definition
/tʌf/
noun
- A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.
Source: Wiktionary
