Dictionary of Modern Usage

• Contains more than 100,000 words and expressions typical of the modern Spanish language in the interconnection with the context. The selected vocabulary reflects modern language use and phraseology of contempopary fiction, mass media and oral speech in Spain and Latin America.

equis

1. f

   1. "экис"; буква x

   2. икс (буква лат. алфавита, тж математич. символ)

2. adj invar разг /о количестве/ некоторый; сколько-то, икс чего