Everyone knows that linguistic forms often (seem to) have multiple meanings: Sentences may be ambiguous, words often exhibit polysemy, they may be homonymous, and grammatical markers can have a range of uses. But more recently, two additional terms have become widespread in comparative approaches: colexification (the possibility of using a word with different senses) and coexpression (the possibility, more generally, of using a linguistic form with different senses or functions). Continue reading →