shelled

Adjective

 * 1)  Having a shell; testaceous.
 * 2) Having had the shell removed.
 * 3)  Unable to keep up in a race, having used up one's reserves of energy.
 * 1)  Unable to keep up in a race, having used up one's reserves of energy.
 * 1)  Unable to keep up in a race, having used up one's reserves of energy.