pilot engine
pi·lo·ten·gine
noun
1.
a locomotive that precedes a train to check the track
Related words
Broader terms
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
pi·lo·ten·gine
a locomotive that precedes a train to check the track
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.