D defs.my
Entry 2 senses Webster, 1913

Couchant

/(kouch"ant)/ · Couch·ant · IPA /ˈkaʊtʃənt/
01 a. Lying down with head erect; squatting.
  1. 1.
    Lying down with head erect; squatting.
  2. 2.
    Lying down with the head raised, which distinguishes the posture of couchant from that of dormant, or sleeping; -- said of a lion or other beast.(Her.)
Phrases & compounds
Couchant and levant — rising up and lying down; -- said of beasts, and indicating that they have been long enough on land, not belonging to their owner, to lie down and rise up to feed, -- such time being held to include a day and night at the least.