root in


Also found in: Idioms.
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root 1

noun
1. The most central and material part:
Law: gravamen.
2. A fundamental principle or underlying concept:
4. A point of origin from which ideas or influences, for example, originate:
5. The main part of a word to which affixes are attached:
verb
1. To implant so deeply as to make change nearly impossible:
2. To provide a basis for:
References in periodicals archive ?
100 750 012356 Root Ins Co 100 3,966 011645 Safe Auto Ins Co 100 359,249 000459 Safeway Ins Group 100 395,427 022349 Sage RRG Inc 100 1,862 001934 Spartan Ins Co 100 3,880 014391 Spirit Commercial Auto RRG Inc 100 66,485 014034 Star & Shield Ins Exch 100 711 013808 Sterling Casualty Ins Co 100 18,081 010594 Transit Mutual Ins Corp of Wl 100 3,219 022503 Transportation Ins Serv RRG, Inc.