A region of the stratosphere, between 15 and 30 kilometres in altitude, containing a relatively high concentration of ozone, which absorbs most solar ultraviolet radiation.

A single thickness of some material covering a surface. / An item of clothing worn under or over another. / A (usually) horizontal deposit; a stratum. / One of the items in a hierarchy.

A person who lays anything, such as tiles or a wager. / A mature female bird, insect, etc. that is able to lay eggs. / A hen kept to lay eggs. / A shoot of a plant, laid underground for growth.

(transitive, intransitive) To cut or divide into layers. / (transitive, intransitive) To arrange in layers.

plural of layer

A complete set of clothing, bedding and toilet articles for a new baby. / A tray for carrying the powder in a powder mill. / (US, military) A bin for storing equipment parts prior to their use.

(geology) a large body of igneous rock within which distinct stratification continues over many miles

(chemistry) a single layer of a graphite molecule

simple past tense and past participle of layer

Formed of layers.