Definition: Bastlings are a term used in linguistics to describe the syntactic structure of words. In other words, they are the grammatical or lexical structures that define how words are formed and arranged within sentences. Bastlings can be broken down into two main categories: morphological and phonological. Morphological Bastlings: A morphological bastling is a specific type of word structure in which each word has its own set of morphemes (words) that are used to form the word.