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Webster 1913 Edition

Masterwort

Mas′ter-wortˊ

,

Noun.

(Bot.)

(a)

A tall and coarse European umbelliferous plant (

Peucedanum Ostruthium

, formerly

Imperatoria

).

(b)

The

Astrantia major

, a European umbelliferous plant with a showy colored involucre.

(c)

Improperly, the

cow parsnip

(

Heracleum lanatum

).