The sentinels, facing the banks of the stream, might have been statues to adorn the bridge. What is the meaning of the word adorn as used in this sentence from paragraph two?

the complete subject is

lorna

#1  sara was always tasked with selecting birthday presents for her friends and family because everyone admired her  impeccable taste. 

impeccable (adj): perfect, flawless

#2  they moved to the united states many years ago, but their  insular  attitudes made it difficult for them to socialize. 

insular (adj): isolated; separate

#3  the professor explained the  semantic  relationship between the two nouns used in the sentence. 

semantic (adj): related to words or the meanings of words 

happy to : )

i would need to know the specific part of the passage your referring to ?