Aspen
Aspen (as"pen) , noun
[Anglo-Saxon asp, aps; akin to Old High German aspa, Icelandic osp, Danish asp, Swedish asp, Dutch esp, German espe, aspe, aspe; compare Lettish apsa, Lithuanian apuszis.]
(Botany) One of several species of poplar bearing this name, especially the Populus tremula, so called from the trembling of its leaves, which move with the slightest impulse of the air.
Also: Asp
Aspen (as"pen) , adjective
Of or pertaining to the aspen, or resembling it; made of aspen wood.
Nor aspen leaves confess the gentlest breeze.