plural of EIR

(rare, nonstandard) That which belongs to em, possessive case of gender-neutral ey, equivalent to the singular theirs and coordinate with his and hers.

Initialism of excess information rate.

(rare, nonstandard) Belonging to em, gender-neutral third-person singular possessive adjective, equivalent to the singular their and coordinate with his and her.

(chiefly dated) The Republic of Ireland. / The island of Ireland, consisting of the Republic of Ireland and Northern Ireland

(reflexive, rare, nonstandard) A gender-neutral object of a verb or preposition that also appears as the subject, equivalent to themself and coordinate with himself or herself.