1) Poetic form 
A quatorzain (from French quatorze, fourteen) is a poem of fourteen lines. Historically the term has often been used interchangeably with the term `sonnet`. Various writers have tried to draw distinctions between `true` sonnets, and quatorzains. Nowadays the term is seldom used, and when it is, it usually is used to distinguish fourteen line p...
piece of verse having fourteen lines; a sonnet
• (n.) A poem of fourteen lines; a sonnet.
Qua·torz'ain noun [ See Quatorze .] A poem of fourteen lines; a sonnet. R. H. Stoddard. 
Fourteen line irregular sonnet.