heart shake
noun
1Any of a number of splits or clefts in a piece of timber radiating out from the heart (frequently in plural).
2A pattern of splitting of this nature.
Origin
Early 19th century; earliest use found in Naval Documents of U.S. Wars with Barbary Powers.
- in the ascendant
- in the bag
- in the balance
- in the belief that
- in the blink of an eye (or in a blink)
- in the box seat
- in the buff
- in the business of
- in the cactus
- in the can
- in the cart
- in the catbird seat
- in the cause of
- in the clear
- in the clouds
- in the club (or the pudding club)
- in the clutch
- in the cold light of day
- in the concrete
- in (the) course of ——
- in the dark
- in the dogbox
- in the driver's seat
- in the driving (or driver's) seat
- in the end