(anatomy) a pyramidalis muscle

two sides of the same coin

(physics, astronomy) black-body radiation

(typography) a typestyle that mimics the look of 隷書 (reisho, “clerical script”) being stamped (thus, with broken and irregular strokes) rather than handwritten; this "ancient seal" look arose in Nara-period Japan, and has no relation to the original Chinese 篆書 (tensho, “seal script”)

(education) high school; senior high school

filial piety

dutiful to one's parents

filial piety / a dutiful child

rainmaking; cloud seeding; artificial rainfall

(slang) remaking oneself to be conspicuous (more social, etc.) upon entering high school