Rim/rɪm/ Definition 1 of 6Pro Tip 1/2Visual Imagery Picture a circle to identify 'rim'. It always relates to a curve or loop. The delicate rim of her hat was adorned with lace. Pro Tip 2/2Common Pairing Use 'rim' to describe objects like cups or glasses, focusing on their top edge. His fingers brushed against the cool rim of the teacup.