a : one thing just like a rock in firmness: (1) : Basis, guidance The superintendent describes [Michael] Doran as being a rock on which the results of the school is and can proceed to generally be designed.— John LawlerJohn Lawler 109k1111 gold badges185185 silver badges489489 bronze badges three https://myles80w19.blogthisbiz.com/43639757/indicators-on-multi-purpose-baby-chairs-you-should-know