spīna ae, f
SPI-, a thorn : spinae acutae, V.: spinis conserto tegmine nullis, O.— A prickle, spine : animantium aliae spinis hirsutae: spinā nocuus, O.— The backbone, spine : duplex, V.: a spinae crate teneri, O.: Spina viret, the back , O.: spinae curvamen, O.—Fig., plur, thorns, difficulties, subtleties, perplexities : disserendi spinae: partiendi et definiendi, intricacies : spinas animo evellere, cares , H.: Quid te exempta levat spinis de pluribus una, errors , H.