(cryptography, cryptocurrencies) Initialism of proof of work.

Third-person singular simple present indicative form of swish-swash

(anatomy) A major vessel of the lymphatic system that originates in the abdomen and drains into the blood circulation at the commencement of the left brachiocephalic vein.

(transitive, intransitive) To play (a guitar or other stringed instrument) using various strings simultaneously.