Meaning of 対数指 in Japanese

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Definition of 対数指

ゆび(yubi) · および(oyobi) · おゆび(oyubi) 【指】

たいすう(taisuu) 【対数】

さし(sashi) · サシ(sashi) 【差し ·指し ·差 ·指】

(n) between (e.g. two people); face to face
ドアに指をはさみました。
I caught my finger in the door.
hindrance; impediment
(music) arrhythmic section of recitative in Noh music
(pref) prefix used for stress or emphasis
(ctr) counter for traditional dance songs