when the margin is uneven or wavy by turning inwards and outwards but not deeply enough to be lobed (i.e. in and out, not up and down).
Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-17
Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M.
. Flora of Zimbabwe: Glossary details: sinuate.
http://www.zimbabweflora.co.zw/speciesdata/glossary-display.php?glossary_id=682, retrieved 30 March 2017