lacunal
adjective
la·cu·nal
-k(y)ünᵊl
variants or lacunar
-nə(r) 
: lacunary
Word History
Etymology
lacuna + -al or -ar
- plethoric
- plethory
- plethra
- plethron
- plethysmogram
- plethysmograms
- plethysmograph
- plethysmographic
- plethysmographically
- plethysmographies
- plethysmographs
- plethysmography
- plethysmothallus
- pleu
- pleuched
- pleuching
- pleuchs
- pleughed
- pleughing
- pleughs
- pleur-
- pleura
- Pleuracanthea
- pleuracanthini
- pleuracanthodii