insession

In*ses"sion, n. Etym: [L. insessio, fr. insidere, insessum, to sit in. See Insidious.] 1. The act of sitting, as in a tub or bath. "Used by way of fomentation, insession, or bath." [R.] Holland. 2. That in which one sits, as a bathing tub. [R.] Insessions be bathing tubs half full. Holland.

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