Accumbent /(-bent)/

Ac·cum·bent

Accumbent

a.
  1. Leaning or reclining, as the ancients did at their meals.
    The Roman . . . accumbent posture in eating.
  2. Lying against anything, as one part of a leaf against another leaf. (Bot.)
    Accumbent cotyledons have their edges placed against the caulicle.
    — Eaton.

Accumbent

n.
  1. One who reclines at table.