grounding (Noun) — Education or instruction in the fundamentals of a field of knowledge. ex. "a good grounding in mathematics"
grounding (Noun) — Fastening electrical equipment to earth.
grounding (Verb) — Fix firmly and stably. ex. "ground the lamppost in concrete"
grounding (Verb) — Confine or restrict to the ground. ex. "After the accident, they grounded the plane and the pilot"
grounding (Verb) — Place or put on the ground.
grounding (Verb) — Instruct someone in the fundamentals of a subject.
grounding (Verb) — Bring to the ground. ex. "the storm grounded the ship"
grounding (Verb) — Hit or reach the ground.
grounding (Verb) — (football) throw to the ground in order to stop play and avoid being tackled behind the line of scrimmage.
grounding (Verb) — (baseball) hit a groundball. ex. "he grounded to the second baseman"
grounding (Verb) — (baseball) hit onto the ground.
grounding (Verb) — Cover with a primer; apply a primer to.
grounding (Verb) — Connect to a ground. ex. "ground the electrical connections for safety reasons"
grounding (Verb) — Use as a basis for; found on.