Note that, all data sources are bilingual but not necessarily including English as one of the involved languages.
a word, a multi-word expression or an affix), (2) the sub-class ontolex:MultiwordExpression is used to specify a lexical entry as a multi-word expression, (3) the ontolex:LexicalConcept class suits perfectly for representing idioms meaning as its formal definition comprises of "to be a mental abstraction, concept or a thought that can be described by a given collection of senses".