what is cathode ??

a cathode is an electrode which attracts cations(positively charged ions) so obviously a cathode is negatively charged and an anode is positively charged

The link, in Sources, describes in detail

A negatively charged electrode that attracts cations the positively charged ions in a cell.

A negatively charged electrode

Definitions
cathode
noun

1. In an electrolytic cell: the negative electrode, towards which positively charged ions, usually in solution, are attracted.
2. The positive terminal of a battery. Compare anode.

Etymology: 19c: from Greek kathodos descent, from kata down + hodos way.

the electrode of an electrochemical cell at which reduction occurs: as a negative terminal of an electrolytic cell

opposite of anode.negative charged particle

A negatively charged electrode, as of an electrolytic cell, a storage battery, or an electron tube.