alula /alˈū-lə/

In birds, the bastard wing

• blockish
• block letter
• block letters
• block parties
• block party
• block plane
• block planes
• block printing
• block release
• blocks
• blockship
• blockships
• block-system
• block-systems
• block-tin
• block-tins
• block type
• block vote
• block votes
• blockwork
• blockworks
• blocky
• blocs
• blog
• bloggable