Lexical Definition

‎מַסָּע‎ maççâʻ (mas-saw') quarry H:N-M
from ‎נָסַע‎ in the sense of projecting

before it was brought, dart.

1) quarry, quarrying, breaking out (of stones)
2) missile, dart

Brown-Driver-Briggs

I. ‎מַסֶּע‎ noun [masculine] quarry or quarrying; — only absolute as adverb accusative, ‎אֶבֶן שְׁלֵמָה מַסָּע‎ 1Kgs 6:7 stone perfect (at the) quarry (or at quarrying, i.e. when it was quarried; compare Benz; text dubious).

II. ‎מַסָּע‎ missile, dart; — only absolute Job 41:18* (+ ‎חֲנִית‎, ‎שִׁרְיָה‎).

Brown-Driver-Briggs References

Book Refs
1 Kings 6:7
Job 41:18*