What is the meaning of Crase?

Early Modern spelling of craze (break into pieces, crack).

crasis (contraction of a vowel at the end of a word with the start of the next word), in Ancient Greek

crasis:

  1. assimilation of sounds of two identical vowels, throughout the evolution process of a language
  2. name given to the process of the contraction of a + a, that is, a merge (assimilation) of the Portuguese preposition a (to, for) + the article a (the)

assimilation of sounds of two identical vowels, throughout the evolution process of a language

name given to the process of the contraction of a + a, that is, a merge (assimilation) of the Portuguese preposition a (to, for) + the article a (the)

grave accent

Source: wiktionary.org