FIBRILS
12
Scrabble
14
WWF
F(4) I(1) B(3) R(1) I(1) L(1) S(1)
NWL/TWL ✓ Collins ✓ WWF ✓
Definition
noun
- A fine fibre or filament
- Any fine, filamentous structure in animals or plants
Source: Wiktionary