quoin /koin/

1. A salient angle, esp of a building
2. A cornerstone, esp a dressed cornerstone
3. A keystone
4. A voussoir (qv)
5. A wedge, esp for locking type in a chase, or for raising a gun

1. To wedge
2. To secure or raise by wedging

• in one's tracks
• in one's turn
• in one'the light
• in one word
• in on the secret
• inoperabilities
• inoperability
• inoperable
• inoperableness
• inoperablenesses
• inoperably
• inoperative
• inoperativeness
• inoperativenesses
• inoperculate
• inopinate
• inopportune
• inopportunely
• inopportuneness
• inopportunenesses
• inopportunities
• inopportunity
• inorb
• inorbed
• inorbing