The Collaborative International Dictionary
Premorse leaves
Premorse \Pre*morse"\, a. [L. praemorsus, p. p. of praemordere to bite off; prae before + mordere to bite.] Terminated abruptly, or as it bitten off.
Premorse root or Premorse leaves (Bot.), such as have an abrupt, ragged, and irregular termination, as if bitten off short.