We don't have synonyms for equals signs yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are equals sign, equal signs and equal sign.
(n) :
Alternative form of equal sign. [A symbol (=) used in mathematics to indicate that two values are the same, and elsewhere in various other ways, such as (formerly) to separate the signature from the content of a telegram.]
(n) :
Alternative form of equal sign. [A symbol (=) used in mathematics to indicate that two values are the same, and elsewhere in various other ways, such as (formerly) to separate the signature from the content of a telegram.]