Meanings

the eight legions (devas, nagas, yaksas, gandharvas, asuras, garudas, kimnaras, mahoragas)

eight great wisdom kings (Acala, Kundali, Mezu, Munosho, Trilokavijaya, Ucchusma, Vajrayaksa, Yamantaka)

kanji "eight" radical at top

28 mansions of Chinese astronomy (constellations dividing the ecliptic into 28 positions)

Glehnia littoralis (species of umbellifer used in Chinese medicine)

octathlon

to try all possible means

octagonal prism

octagon

eight unpardonable crimes (in ancient Japanese law)

the two sects of Buddhism introduced to Japan during the Heian period (Tiantai and Shingon) and the six sects introduced during the Nara period

the eight early Japanese Buddhist sects

80000

many

eight consciousnesses (one for each of the five senses, consciousness of the mind, self-consciousness and store consciousness)

Arctic lamprey (Lethenteron camtschaticum)

eighth (place, position, etc.)

Far Eastern brook lamprey (Lethenteron reissneri)

for millennia and millennia

in all directions