The word "acrosaurus" is spelled /əˈkrɒsɔːrəs/ in IPA phonetic transcription. This word is composed of two parts: "acro-" which means "high" or "top", and "-saurus" which is a suffix used to indicate a dinosaur. Therefore, the full word can be understood as referring to a high or top dinosaur. It is important to note that the "c" in "acro-" is pronounced like a "k", while the "s" in "-saurus" is pronounced like a "z".
An extraordinary fossil reptile found in South Africa.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.