Made with a relatively large opening between the tongue and the palate; made with (part of) the tongue positioned low in the mouth, relative to the palate.
In a path near the equator, so that the declination is small, or near the horizon, so that the altitude is small; said of the heavenly bodies with reference to the diurnal revolution.
To be dark, gloomy, and threatening, as clouds; of the sky: to be covered with dark and threatening clouds; to show threatening signs of approach, as a tempest.