bn:00009313n
Noun Concept
EN
radio beam  beam
EN
A signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather WordNet 3.0
Definitions
Relations
Sources
EN
A signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather WordNet 3.0 & Open English WordNet
IS A
DERIVATION
WordNet 3.0 & Open English WordNet