%sclerenchyma%

n. [ NL., from Gr. sklhro`s hard + -enchyma as in parenchyma. ] 1. (Bot.) Vegetable tissue composed of short cells with thickened or hardened walls, as in nutshells and the gritty parts of a pear. See Sclerotic. [ 1913 Webster ]

☞ By recent German writers and their English translators, this term is used for liber cells. Goodale. [ 1913 Webster ]

2. (Zool.) The hard calcareous deposit in the tissues of Anthozoa, constituting the stony corals. [ 1913 Webster ]