Definition: A long, narrow channel or depression; e.g., such a slot cut into a hard material to provide a location for an engineering component, a tyre groove, or a geological channel or depression.

Alright class, settle down now, let’s take a look! That dictionary definition is… precise, isn't it? It tells us about grooves in materials – like slots for parts, tire treads, and even channels carved by water. But “groove” has another meaning too, a much more lively one! Think of it this way: “Groove” doesn’t just mean a hole you see, it means a feeling! It describes the rhythm – that special beat - when you're really into something. Let me put it in rhyme for clarity, if you please: "A groove is where your feet find ease, A rhythmic pulse, a joyful breeze! When music moves you, light and free, That’s the feeling of a 'groove,' you see!" It can be about dancing, or listening to music, or even just enjoying an activity that feels smooth and natural. So, while the dictionary focuses on the physical shape, "groove" often refers to how something makes you feel – that comfortable, flowing sensation when everything clicks into place. Do you have any questions about this dual meaning? Let’s discuss!