A Scottish surname originating as an occupation for someone who sold table linen, or was in charge of the linen of a great house. / John Napier, Scottish mathematician etc.

(arithmetic) Napier's bones

(arithmetic) A set of numbered rods used for multiplication and division (see the Wikipedia article for a fuller explanation).

plural of Napier grass

Pennisetum purpureum, a perennial tropical grass native to Africa.

A native or inhabitant of Napier, New Zealand. / A student or alumnus of Edinburgh Napier University, Scotland.

plural of Napierite

Of or relating to John Napier (1550–1617), Scottish mathematician who discovered logarithms.

A municipality of Quebec, Canada

plural of napiergrass