What's the best definition for lustre

Which of the following is a good strategy for finding the meaning of an unfamiliar word? (5 points) put the book down and do something else for at least 30 minutes. count the syllables in the word and find others that are similar in length. make inferences about the meaning based on the words around it. keep reading past that word so that you can continue with the story.

Tu es venalicius; tu servos in foro (vendo,vendis,vendit)

How would you say "to keep and bear arms," in latin?