What is the meaning of ?

The hiragana syllable (ma). Its equivalent in katakana is (ma). It is the thirty-first syllable in the gojūon order; its position is (ma-gyō a-dan, row ma, section a).

: space; room

, : prefixal bound form of (me, eye)

: the truth, reality, genuineness

: real, genuine

: pure, unadulterated

: definitely, certainly, exactly, precisely, directly

: true, real, main

: great, excellent

Source: wiktionary.org