Definition: A period of time consisting of one thousand years.

Alright class, settle down, let’s take a peek, At a word that sounds grand, and oh so sleek! “Millennium,” you see, is quite the phrase, Let's break it down in a thoughtful haze. The dictionary’s right, it’s true you know, A period of time, a lengthy flow. One thousand years , that’s what it means, Like counting decades, or longer scenes! Think of ancient times, long, long ago, When kingdoms rose and empires glowed. A millennium passed, then faded away, Marking a stretch in history's display. It also has a future twist, you see, The year 2000 – a millennium spree! A new thousand years, a hopeful start, Let’s keep that feeling close to heart. 😊 Do you have any questions about this rhyme? Is there anything you'd like me to explain further?