τὸ πλῆθος οὐκ εὐαρίθμητον ἦν → the crowd wasn't easy to count, the crowd was not small, it was not a small crowd
lărus: (lăros), i, m., = λάρος,
I a ravenous sea-bird, perh. the mew, Vulg. Lev. 11, 16; id. Deut. 14, 15; cf.: larus, λάρος, Gloss. Philox.