I. brim 1 /brɪm/ BrE AmE noun [countable]
1 . the bottom part of a hat that sticks out to protect you from sun and rain:
an old straw hat with a broad brim
2 . the top edge of a container:
She filled each glass to the brim.
filled/full to the brim (=completely full)
The cup was filled to the brim with coffee.
II. brim 2 BrE AmE verb ( past tense and past participle brimmed , present participle brimming ) [intransitive]
1 . if your eyes brim with tears, or if tears brim from your eyes, you start to cry
brim with
Her eyes brimmed with tears.
Her tears brimmed over again as she started to speak.
2 . be brimming (over) with something to have a lot of a particular thing, quality, or emotion:
The flowerbeds were brimming over with flowers.
He seemed to be brimming with confidence.
Rob was just brimming with enthusiasm.