piscina(redirected from Thalassidion)
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pi·sci·na(pĭ-sē′nə, -sī′nə, -shē′nə)
n. pl. pi·sci·nae (-nē) Ecclesiastical
A stone basin with a drain for carrying away the water used in ceremonial ablutions.
[Middle English piscine, from Medieval Latin piscīna, from Latin, fishpond, pool, from piscis, fish.]
pis′ci·nal (pĭs′ə-nəl) adj.
n, pl -nae (-niː) or -nas
(Roman Catholic Church) RC Church a stone basin, with a drain, in a church or sacristy where water used at Mass is poured away
[C16: from Latin: fish pond, from piscis a fish]
pis•ci•na(pɪˈsaɪ nə, pɪˈsi-)
n., pl. -nae (-nē).
a basin with a drain used for holy ablutions, now usu. generally in the sacristy.
[1590–1600; < Medieval Latin; Latin piscīna fish pond, swimming pool, derivative of piscis fish]