thumb

FINGER
POLLEX
List of words for the clue thumb from the crossword:
EBERT TOM RULE USB SORE OGRE SPAN SCREW OUT HITCH TOMS RIDE OKSIGN LIKE LEAF INDEX GUIDELINE ARNE ARIDE THROB
WordClue
RULEof thumb or golden
GUIDELINErule of thumb
DIRKthrusting dagger
LIGHTNINGthunderbolt