Search Result for "two-note call":
Wordnet 3.0

NOUN (1)

1. a birdcall having two notes;
- Example: "the two-note call of the cuckoo"



WordNet (r) 3.0 (2006):

two-note call
    n 1: a birdcall having two notes; "the two-note call of the
         cuckoo"