Search Result for "radio beam":
Wordnet 3.0

NOUN (1)

1. a signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather;
[syn: radio beam, beam]



WordNet (r) 3.0 (2006):

radio beam
    n 1: a signal transmitted along a narrow path; guides airplane
         pilots in darkness or bad weather [syn: radio beam,
         beam]