fenestella /fen-i-stelˈə/

1. A small window or window-like opening
2. In a church, a niche containing the piscina, the drain into which the washing water from the sacred vessels was poured
3. (with cap; biology) a Palaeozoic genus of lace-like Polyzoa

• gruffness
• gruffnesses
• grufted
• gru-gru
• gru-gru worm
• gruing
• grum
• grumble
• grumbled
• grumbler
• grumblers
• grumbles
• Grumbletonian
• grumblier
• grumbliest
• grumbling
• grumbling appendices
• grumbling appendix
• grumbling appendixes
• grumblingly
• grumblings
• grumbly
• grume
• grumes
• grumly