Usage: 4 forms in 5 verses
Form Translated As     In Verse(s)
στρογγύλον globular LXX.1Kgs.7.23LXX.1Kgs.7.35
στρογγύλην globular LXX.2Chr.4.2
στρογγύλα globular LXX.1Kgs.7.31
στρογγυλούν globular LXX.1Kgs.7.31

Liddell-Scott-Jones

στρογγύλος (strongulos) globular G:N-N

στρογγύλος [], η, ον,

round, spherical, opposed to πλατύς, [Refs 5th c.BC+]; λίθοι σ. pebbles, [Refs 5th c.BC+]; ξύλα σ. unsquared logs of timber, opposed to σχιστά and πελεκητά, [Refs 4th c.BC+]; of the sphere, σ. τὴν ὄψιν [Refs 5th c.BC+]; of gourds, [Refs 4th c.BC+]

__2 curved, τὸ σ., opposed to τὸ εὐθύ, [Refs 5th c.BC+]; δίφροι σ. [Refs 1st c.BC+]
__3 of persons, round, compactly formed, [Refs 5th c.BC+]; so of lions, opposed to μακρός, [Refs 4th c.BC+]; of dogs, σκέλη [Refs 5th c.BC+]
__4 of ships, σ. νῆες round, i.e. merchant-ships, as opposed to to the long narrow warships (μακραὶ νῆες), [Refs 5th c.BC+]
__4.b of cups and vessels, [Refs 4th c.BC+]
__5 of sail, rounded, full, [Refs 2nd c.AD+]
__II metaphorically of words and expressions, wellrounded, compact, terse, σ. ῥήματα [Refs 5th c.BC+]; αὐτοῦ τοῦ στόματος τὸ σ. his compactness, terseness of expression (of Euripides), [Refs 5th c.BC+] adverb -λως, συστρέφειν τὰ νοήματα καὶ σ. ἐκφέρειν express neatly and tersely, [Refs 1st c.BC+]; προστιθεὶς τὸ διότι -ώτατα as tersely as possible, [Refs 4th c.BC+]
__II.2 adverb, -λως καὶ Ακωνικῶς βιωσομένους wishing to live closely, i.e. simply, economically, [Refs 1st c.AD+]