jackaroo

noun, plural jack·a·roos, verb (used without object), jack·a·rooed, jack·a·roo·ing.

1. jackeroo.

noun, plural jack·e·roos.

1. an inexperienced person working as an apprentice on a sheep ranch.

verb (used without object), jack·e·rooed, jack·e·roo·ing.

2. to work as an apprentice on a sheep ranch.

noun plural -roos

1. Australian informal a young male management trainee on a sheep or cattle station