dial. [? Onomatopœic. Cf. rog, ROCK v.] trans. To rock, move to and fro. b. intr. To oscillate.
1808. Polwhele, Cornish-Eng. Voc., 45, note. This enormous mass, from its peculiarity of position, may be easily logged to and fro.
1880. W. Cornwall Gloss., Log, to oscillate.
