What is consonant cluster?

Answer: A consonant cluster, consonant sequence or consonant compound is a group of consonants which have no intervening vowel.

Explanation:

A consonant cluster (sometimes known as a consonant blend) is a group of consonants that appear together in a word without any vowels between them. When reading clusters, each letter within the cluster is pronounced individually. Sometimes in certain consonant clusters (a string of two or more consonants in a word) the sounds may be reduced or dropped.

For example st in stay