Since EHV-1 is a common virus in horses, it is recommended that all horses be vaccinated at least once a year. For horses congregating at shows and competitions, more frequent vaccinations may be recommended.
Enfilade and defilade. Enfilade and defilade are concepts in military tactics used to describe a military formation's exposure to enemy fire. A formation or position is in enfilade if weapons fire can be directed along its longest axis.
What is 'Defeasance'. Defeasance is a provision that voids a bond or loan when the borrower sets aside cash or bonds sufficient enough to service the borrower's debt. The borrower sets aside cash to pay off the bonds; therefore, the outstanding debt and cash offset each other on the balance sheet and do not need to be recorded.