Syn*cy"ti*um (?), n.; pl. Syncitia (#). [NL., from Gr. together + a hollow vessel.]
1. Biol.
Tissue in which the cell or partition walls are wholly wanting and the cell bodies fused together, so that the tissue consists of a continuous mass of protoplasm in which nuclei are imbedded, as in ordinary striped muscle.
2. Zool.
The ectoderm of a sponge.
© Webster 1913.