Definition:

to take stitches out, unpick

Qui a décousu ce bouton ? - Who took the stitches out of this button / took this button off?

(literary, in jest) to fight, do battle

Nous en décousons trop - We fight too much.

Pronominal: se découdre - to come unstitched, to come apart

(click the little graphic below to hear the Mot du jour pronounced)

Pronunciation: [day koodr]