释义 |
ad·der's-tongue \ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\ noun also adder tongue (plural adder's-tongues also adder tongues) Etymology: so called from the shape of its fruiting spike 1. : a fern of the genus Ophioglossum 2. : any of several plants especially in the genera Achillea, Arum, Erythronium, Geranium, Orchis, and Peramium having leaves or flower or fruiting spikes suggesting the fruiting spikes of adder's-tongue fern |