spinifère, n.m., spiniferous.
spiniforme, adj., spiniform.
spinosisme, n.m., Spinozism.
spinosiste, n.m., Spinozist.
spiral, -e, adj., spiral.
spiral, n.m., (horl.) spiral spring; hair-spring, balance spring.
spirale, n.f., (geom.) spiral; spire; (conch.) turban. En —; spirally, winding round. Aller en —; to wind (up or round).
☉spiralement (-ral-mān), adv., in a spiral form, spirally.
spiration, n.f., (theol.) spiration.
spire, n.f., (ancient arch.) spire; (geom.) helix, revolution of the helix.