To instruct with his finger
He pointed with his finger. He pointed.
("He who reads the Scriptures should not wink with his eyes, nor wink with his lips, nor point with his fingers" - Yoma 19:2)
Translation
Expression (Hebrew)
הוֹרָה בְּאֶצְבָּעוֹ
Definition (Hebrew)
סִמֵּן בְּאֶצְבָּעוֹ. הִצְבִּיעַ.
("הַקּוֹרֵא אֶת שְׁמַע לֹא יִרְמֹז בְּעֵינָיו, וְלֹא יִקְרֹץ בְּשִׂפְתוֹתָיו, וְלֹא יוֹרֶה בְּאֶצְבְּעוֹתָיו"- יוֹמָא יט ע"ב)