‖ mal de mer [Fr.] Sea-sickness. 1778J. Adams Diary 19 Feb., Wks. 1851 III. 98 The mal de mer seems to be merely the effect of agitation.1899Godley Lyra frivola 6 He notes his qualms with care, And bids the public know 'em In ‘Thoughts on Mal de Mer’ Or ‘Nausea: a Poem’.