Shmuel Alef 16:11

And Shmuel said unto Yishai, Are here all thy ne'arim (boys)? And he said, There remaineth yet the katan (small, young), and, hinei, ro'eh batzon (tending the flock) is he. And Shmuel said unto Yishai, Send and get him; for we will not sit down [to eat] till he come here.