Sense

1. (relative adjective) (often as anaphor to τόσος, or πᾶς, ἅπας) as much as, how much
2. (followed by particles) (ὅσος ἄν) how ever great
3. (ὅσος δή) how great, how ever many
4. (ὁσοσοῦν) ever so small
5. (ὅσοσπερ) even so great as, no greater than
6. (adverbial usages) so far as, so much as
7. (ὅσῳ, ὅσῳ περ, often with comparative) by how much
8. (ἐν ὅσῳ) while

Examples

• καὶ ἔδωκεν ὁ ἀρχιδεσμοφύλαξ τὸ δεσμωτήριον διὰ χειρὸς Ἰωσὴφ καὶ πάντας τοὺς ἀπηγμένους, ὅσοι ἐν τῷ δεσμωτηρίῳ, καὶ πάντα ὅσα ποιοῦσιν ἐκεῖ, αὐτὸς ἦν ποιῶν. (Septuagint, Liber Genesis 39:22)
• καὶ τοῦτό ἐστιν ὃ δώσουσιν ὅσοι ἂν παραπορεύωνται τὴν ἐπίσκεψιν. τὸ ἥμισυ τοῦ διδράχμου, ὅ ἐστιν κατὰ τὸ δίδραχμον τὸ ἅγιον. εἴκοσιν ὀβολοὶ τὸ δίδραχμον, τὸ δὲ ἥμισυ τοῦ διδράχμου εἰσφορὰ Κυρίῳ. (Septuagint, Liber Exodus 30:13)
• καὶ ἤνεγκαν οἱ ἄνδρες παρὰ τῶν γυναικῶν, πᾶς ᾧ ἔδοξε τῇ διανοίᾳ, ἤνεγκαν σφραγῖδας καὶ ἐνώτια καὶ δακτυλίους καὶ ἐμπλόκια καὶ περιδέξια, πᾶν σκεῦος χρυσοῦν, καὶ πάντες ὅσοι ἤνεγκαν ἀφαιρέματα χρυσίου Κυρίῳ. (Septuagint, Liber Exodus 35:22)
• καὶ παῖς καὶ παιδίσκη, ὅσοι ἂν γένωνταί σοι ἀπὸ τῶν ἐθνῶν, ὅσοι κύκλῳ σού εἰσιν, ἀπ᾿ αὐτῶν κτήσεσθε δοῦλον καὶ δούλην. (Septuagint, Liber Leviticus 25:44)

Source: Ancient Greek entries from Wiktionary