The word glowered likely means

to look or stare with sullen dislike, discontent, or anger.

Explanation:

to look or stare with sullen annoyance or anger glowered at the noisy children in the library.

Explanation:

.the definitions

.the number of syllables in the word

.the pronunciation of the word

.the parts of speech

.the foreign translations

recent brain research has shown some surprising benefits as a result of formal musical training. learning to play a musical instrument appears to develop parts of the brain that can even influence academic results. the studies indicate that the earlier a child begins training, the more benefits there are. one such study showed that children who began musical studies before the age of seven had a more developed brain in the region where language production and auditory processing take place. scientists believe there is mounting evidence to show that early musical training can improve brain function.

explanation: