rondel

noun

1. 1

   A metric form of verse using two rhymes, usually fourteen 8- to 10-syllable lines in three stanzas, with the first lines of the first stanza returning as refrain of the next two.

2. 2

   The verse form rondeau.

3. 3

   A rondelle, (small) circular object.

4. 4

   A long thin medieval dagger with a circular guard and a circular pommel (hence the name).

5. 5

   A small round tower erected at the foot of a bastion.