 Cross-lingual word embeddings map words from one language to the vector space of another language, or words from multiple languages to the same vector space where similar words are aligned.
<clarity>  Cross-lingual word embeddings map words from one language to the vector space of another language, or words from multiple languages to the same vector space where similar words are aligned.
 Cross-lingual word embeddings transform vector spaces of different languages so that similar words are aligned.