Aspen

• POS: Adjective, Noun
• HYPHEN: As=pen

CIDE DICTIONARY

Aspen, n. [AS. æsp, æps; akin to OHG. aspa, Icel. ösp, Dan. æsp, Sw. asp, D. esp, G. espe, äspe, aspe; cf. Lettish apsa, Lith. apuszis.].

 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.  [1913 Webster]

Aspen, a. 

 Of or pertaining to the aspen, or resembling it; made of aspen wood.  [1913 Webster]
"Nor aspen leaves confess the gentlest breeze."  [1913 Webster]

OXFORD DICTIONARY

Aspen, n. a poplar tree, Populus tremula, with especially tremulous leaves.

Etymology

earlier name asp f. OE {aelig}spe + -EN(2) forming adj. taken as noun

THESAURUS

Aspen

chattering, palsied, quaking, quavering, quavery, quivering, quivery, shaking, shaky, shivering, shivery, shuddering, succussatory, succussive, trembling, trembly, tremulous, vibrating, wobbly