Yes, couch is playable
...and is worth 14 points.
Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Couch" Definition
noun
A layer of grain, usually barley, spread to germinate.
A priming coat of paint or varnish used in artistic painting.
A sofa on which a patient lies while undergoing psychoanalysis or psychiatric treatment.
The frame or floor on which grain, usually barley, is spread in malting.
verb-intransitive
To be in a heap or pile, as leaves for decomposition or fermentation.
To lie down; recline, as for rest.
To lie in ambush or concealment; lurk.
verb-transitive
To cause (oneself) to lie down, as for rest.
To embroider by laying thread flat on a surface and fastening it by stitches at regular intervals.
To lower (a spear, for example) to horizontal position, as for an attack.
To spread (grain) on a couch to germinate, as in malting.
To word in a certain manner; phrase: couched their protests in diplomatic language.
verb
To lay (oneself) down for rest or sleep.
To embroider (a design) by laying down a thread and fastening it with small stitches at regular intervals.
To place or hold level and pointed forward ready for use.
To phrase or express in a specified manner.
To lie down or recline for sleep or rest.
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