触手を伸ばす
Idiom- 1to reach out (for) ; to extend one's reach (towards) ; to set one's sights (on) ; to work towards (getting, becoming, etc.) ; to put out a feeler ; to extend one's tentacles Translated by Jiyomi
expressions (phrases, clauses, etc.) · Godan verb with 'su' ending
JMdict entry 2868966. Source and licence.