(color) Of a pale grey or bluish-green, especially when covered with a powdery residue. / (botany) Covered with a bloom or a pale powdery covering, regardless of colour.

Larus hyperboreus, a large gull which breeds in the Arctic.

A sedge species, Carex flacca (in Carex subg. Carex).

plural of glaucous gull

plural of glaucous sedge

Anthopleura thallia, a species of sea anemone which lives in shallow waters of the Atlantic and Mediterranean.

The quality of being glaucous.

In a glaucous manner