1. an astronaut trained to handle highly complex or classified equipment carried aboard a space shuttle and to conduct experiments in space.
2. a specialist in transporting cargo.
[ 1970-75 ]
1. an astronaut trained to handle highly complex or classified equipment carried aboard a space shuttle and to conduct experiments in space.
2. a specialist in transporting cargo.
[ 1970-75 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012