H2810
חִשָּׁבוֹן
invention
device, invention
Full Brown-Driver-Briggs lexicon entry
[חִשָּׁבוֺן] noun masculine device, invention (compare LagBN 200) — only plural absolute חִשְּׁבֹנוֺת; עָשָׁה הָאֱלֹהִים אֶתהָֿאָדָם יָשָׁר וְהֵמָּה בִקְשׁוּ חִשְּׁבֹנוֺת רַבִּים Eccl 7:29 God made mankind upright but they sought out many devices; וַיַּעַשׂ חִשְּׁבֹנוֺת מַחֲשֶׁבֶת חֹוֺשֵׁב 2Chr 26:15 and he made contrivances (i.e. engines of war for hurling stones and arrows, see vb) the invention of inventive men.
2 occurrences
II Chronicles (1), Ecclesiastes (1)