Birdsong TV Mini Series With Eddie Redmayne, Clmence Posy, Matthew Goode, Rory Keenan As an English soldier fights in the horrific trenches of northern France, he is haunted by Birdsong Definition of Birdsong by Merriam Webster Birdsong definition is the song of one or birds How to use birdsong in a sentence. Birdsong A Novel of Love and War Faulks, Sebastian Wraysford is haunted by this doomed affair and carries it with him into the trenches of World War I Birdsong derives most of its power