chink

A narrow opening such as a fissure or crack.

A chip or dent in something metallic.

“The warrior saw a chink in her enemy's armor, and aimed her spear accordingly.”

A vulnerability or flaw in a protection system or in any otherwise formidable system.

“The chink in the theory is that the invaders have superior muskets.”

To fill an opening such as the space between logs in a log house with chinking; to caulk.

“to chink a wall”

To crack; to open.

To cause to open in cracks or fissures.

A slight sound as of metal objects touching each other; a clink.

Ready money, especially in the form of coins.

To make a slight sound like that of metal objects touching.

“The coins were chinking in his pocket.”

To cause to make a sharp metallic sound, as coins, small pieces of metal, etc., by bringing them into collision with each other.

A convulsive fit of coughing or laughter; a sonorous indraft of breath; a whoop; a gasp of breath caused by laughing, coughing, or crying.

To laugh loudly.

To gasp for breath as in a severe fit of coughing.

A person of perceived Chinese ethnicity.