Phragmites australis, a monoculture reed grass.

A sea duck in the eider family; Somateria mollissima.

plural of common bean

plural of common nail

Ordinary salt (sodium chloride)

A bird of the species Gallinago gallinago.

(mathematics, rare) A common antilogarithm.

(mathematics, rare) A base-ten antilogarithm; ten raised to a certain power.

Phoca vitulina, a seal living in the northern Atlantic and Pacific oceans.

(mathematics) Any integer that is a common multiple of the denominators of two or more fractions. / (by extension, figuratively) A trait or attribute that is shared by all members of some category.