useless trivia: What Word Means: A Wooly Ruminant?

Questions

What is a pelerine?

What is measured in oktas?

What was the name given to the legendary greek herald who could shout as loudly as 50 ordinary men, his name gave rise to a word meaning loud voiced?

Which dutch physicist invented the first pendulum clock in 1657?

What is also known as a pillbug (they were once used for medicinal purposes and swallowed like pills - yuk!!!)?