lacunosus The Latin lacunosus, meaning ‘with holes’, used to describe a variety of cloud usually associated with the genera altocumulus and cirrocumulus. Thin layers or sheets of cloud display a fairly regular set of holes with frilled edges, so forming a net. See also cloud classification.

lacunosus From the Latin lacunosus meaning ‘with holes’, a variety of cloud usually associated with the genera altocumulus and cirrocumulus. Thin layers or sheets of cloud display a fairly regular set of holes with frilled edges, so forming a net. See also CLOUD CLASSIFICATION.