Definitions

1. verb

to adapt to changing circumstances or conditions so that a particular trait or ability is more likely to be useful in a future environment

“The early birds that evolved to be able to survive in cold climates preadapted themselves to the harsh conditions.”

2. noun

an adaptation that provides a survival advantage in a future environment, especially one that is not yet present

“The ability to walk on two legs was a preadaptation for the human species to be able to run long distances.”