Definition of Macnab cypress in US English:

Macnab cypress

(also Macnab's cypress)

noun

  • A small cypress tree, Cupressus macnabiana (family Cupressaceae), with grey-green leaves, native to northern California.

Origin

Late 19th century. In some forms from the genitive of the name of James MacNab, curator of the Royal Botanic Garden, Edinburgh + cypress.

Pronunciation

Macnab cypress

/məkˌnab ˈsʌɪprɪs/