noun
spurt of blood; gushing blood
Refers to blood forcefully spurting or flowing, often in a dramatic or violent context.
傷口から血潮がほとばしった。
Blood gushed from the wound.
noun
hot-bloodedness; passion; ardor
Figurative use: intense emotion, vitality, or passionate spirit, often likened to surging blood.
若者の血潮がたぎる。
The hot blood of youth boils.
Compound of 血 (chi, 'blood') and 潮 (shio, 'tide'), literally 'blood tide'. The alternate kanji 汐 also means 'tide', reinforcing the image of surging blood.