Made using a beak; (of a sound) produced through a beak. (of a gesture)
1929, D. H. Lawrence, The Escaped Cock, published as The Man Who Died, London: Heinemann, 1931, pp. 34-35, http://gutenberg.net.au/ebooks07/0700631h.html
And always the man who had died saw not the bird alone, but the short, sharp wave of life of which the bird was the crest. He watched the queer, beaky motion of the creature as it gobbled into itself the scraps of food; its glancing of the eye of life, ever alert and watchful […]