Yes, it means to be full of, or to swarm with. "The sea teems with fish", meaning that there are a lot of fish in the sea.
The word teemed is a verb. It is the past tense of teem.
to be pregnant
pour. pullulate. stream. swarm.
The streets were teeming with rats.
The past tense is teemed.
The word in the poem that means to swarm is "teem."
teem
Guinevere teemed with child. (old usage)
teem
The word teeming is a verb. It is the present participle of the verb teem.
Teem was created in 1964.
The oceans teem with life.