sažeti

1. (of text or speech) to summarize; to sum up; to abridge
   Možeš li da sažmeš članak u tri rečenice? — Can you summarize the article in three sentences?
   Sve svoje utiske sažela je u jednu reč. — She summed up all her impressions in one word.
2. formal (usually sažeti se) to compress; to contract; to shrink
   Sažela se od straha u uglu sobe. — She huddled up in fear in the corner of the room.

The imperfective is sažimati; the adverb sažeto means "concisely" (sažeto rečeno, "in short").