Word Study
spinny
CIDE DICTIONARY
spinny, n. [OF. espinaye,espinoye, espinei, espanoi, F. épinaie, from L. spinetum a thicket of thorns, fr. spina a thorn. See Spine.].
A small thicket or grove with undergrowth; a clump of trees. [1913 Webster]
"The downs rise steep, crowned with black fir spinnies." [1913 Webster]
Thin and long; slim; slender. [1913 Webster]
For further exploring for "spinny" in Webster Dictionary Online