foray

Concise Oxford English Dictionary © 2008 Oxford University Press:
foray /ˈfɒreɪ/

▶noun

• 1 a sudden attack or raid into enemy territory.

• 2 a brief but spirited attempt to become involved in a new activity.

▶verb make or go on a foray.

– derivatives
forayer noun.

– origin ME: back-form. from forayer ‘a person who forays’, from OFr. forrier ‘forager’, from fuerre (see forage).