What is ababcc?

'ABABCC' describes the rhyme structure of a poem. Corresponding letters signal the rhyming Words, for example in William Wordsworth's poem I wandered lonely as a cloud, the first stanza shows this ABABCC structure:

I wandered lonely as a cloud (A)

That floats on high o'er vales and hills, (B)

When all at once I saw a crowd, (A)

A host, of golden daffodils; (B)

Beside the lake, beneath the trees, (C)

Fluttering and dancing in the breeze. (C)

A - cloud rhymes with crowd

B - hills rhymes with daffodils

C - trees rhymes with breeze