n. spying or use of spies. [French: related to sex] esplanade A esplo’neldi n. 1 long open level area for walking on, esp. beside the sea. 2 level space separating a fortress from a town. [Latin planus level] espousal if spaoz(o)1/ n. 1 (foll. by of) espousing of (a cause etc.). 2 archaic marriage, betrothal.