Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 2106: רבעrbʿ — Root of: אַרְבַּע four; אַרְבָּעִים forty; אַרְבַּעְתַּיִם four; רְבִיעִי fourth; רִבֵּעַ pertaining to the fourth; רֶ֫בַע fourth part, four sides; …