combining form of spiculumn. (cf. sense 3), occurring in a few terms, as spiculo-fibre, spiculo-fibrous.
ΚΠ
1900 Proc. Zool. Soc. 137 Skeleton [of the sponge] forming a rectangular network, the meshes being..with a few slender primary lines of spiculo-fibre 2–4 spicules thick.
1900 Proc. Zool. Soc. 138 Skeleton consisting of an axial or central open spiculo-fibrous network.