I believe the correct interpretation of the whole poem is that the mistress's desire to preserve her honor and chastity makes no sense because her body will be devoured by worms after her death.
She should not be afraid to love and be loved while she is still alive.
not me////////////////////////
Answer:
When you come across an unfamiliar word the first the step that you want to take is to read the word in context in its sentence or nearest couple of sentences. Next, make a guess as to the word's meaning, even if it's only a rough or approximate meaning. Lastly, look at the word alone. I home this helped!