Flat on the ground; with the face on the ground, or on any object; so as to lie prone; forward and down.
Obsolete forms of gruff.
The Century Dictionary (Public Domain)
Use "grof" in a sentence
"When he asked for volunteers, Grof raised his hand. stanislav grof"
"Judging by the hopeful tone of next week's MAPS conference, the world of medicine may finally be ready to catch back up with him. stanislav grof"
"When a iinner has been under great awakenings, and ftrong convi6iions of confciencea of his linsj and danger, if he be not truly convert - ed from (in to God, he ufually falls into fome grof$ error."