What is the meaning of ×?

Multiplication.

Cartesian product, categorical product.

Vector product, cross product.

Used in various ways to indicate hybridization between two or more different taxa.

Used to denote collaboration in the design, execution or branding of a piece.

Used to denote the geometric dimensions of an object.

Times.

Used to refer to something not specified. Usually read as (mǒu).

Used to replace offensive characters. Usually read as (chā).

the multiplication sign, read per

a symbol sometimes used to stand for the preposition per

incorrect answer

impossibility, futility

multiplication sign, usually read as умно́жить (umnóžitʹ).

A rarely used punctuation mark like semicolon (;).

multiplication sign

Source: wiktionary.org