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a. A sofa.
b. A sofa on which a patient lies while undergoing psychoanalysis or psychiatric treatment.
a. The frame or floor on which grain, usually barley, is spread in malting.
b. A layer of grain, usually barley, spread to germinate.
3. A priming coat of paint or varnish used in artistic painting.
v. couched, couch·ing, couch·es
1. To word in a certain manner; phrase: couched their protests in diplomatic language.
2. To cause (oneself) to lie down, as for rest.
3. To embroider by laying thread flat on a surface and fastening it by stitches at regular intervals.
4. To spread (grain) on a couch to germinate, as in malting.
5. To lower (a spear, for example) to horizontal position, as for an attack.
1. To lie down; recline, as for rest.
2. To lie in ambush or concealment; lurk.
3. To be in a heap or pile, as leaves for decomposition or fermentation.

[Middle English couche, from Old French culche, couche, from couchier, to lay down, lie down, from Latin collocāre; see collocate.]

couch′er n.
References in classic literature ?
returned home, with his thoughts fully occupied with the various things he had seen and heard in the course of the evening, when an usher announced that the same crowd of courtiers who, in the morning, had thronged his lever, presented themselves again at his coucher, a remarkable piece of respect which, during the reign of the cardinal, the court, not very discreet in its preferences, had accorded to the minister, without caring about displeasing the king.
Les pelerins doivent se rassembler aujourd'hui sur le Mont Arafat, le moment culminant du rite sacre, ou les fideles prient et invoquent Dieu jusqu'au coucher du soleil, pour se diriger par la suite vers Mouzdalifah (el-machaar el-ihram) ou ils doivent passer la nuit.
Le Coucher d'Yvette, as the act was billed, showed a girl undressing to go to bed.
En effet, lorsque les heures de reveil et de coucher sont decalees, il en est souvent de meme des repas.
Il devait etre recu par le president israelien a l'issue du jour de repos hebdomadaire juif, au coucher du soleil, mais l'heure exact de l'entretien n'etait pas connue dans l'immediat.
Not long ago Network Rail chief executive Ian Coucher picked up a pounds 1.
And so it was in the case of former Network Rail boss Iain Coucher.
RAIL boss Iain Coucher has been given a staggering pounds 1million pay-off from taxpayer-funded Network Rail, it was revealed yesterday.
25m for top directors, included pounds 641,000 for chief executive Iain Coucher, who is on a salary of pounds 613,000.
Network Rail chief executive Iain Coucher snapped up the 173-acre Keillmore estate , which lies near Lochgilphead, Argyll, and has dubbed it "Iainland".
But even more amazing that Notwork Rail - wholly funded by the taxpayer - is still paying its top bosses, including recently resigned chief executive Ian Coucher, a total of pounds 2.
Iain Coucher, 48, who has been at the rail infrastructure firm for eight years, will remain in his post over the coming months and will be involved in the search for his successor.