What is the meaning of Deis?

Obsolete form of dais.

plural of dei

alternative form of dieu

second-person plural present subjunctive of dar

right (side opposite left)

opportunity (chance for advancement, progress or profit)

comfort (something that offers comfort), convenience

means, facility (physical means or contrivance for doing something)

inflection of deas (“right (opposite of left)”):

1. vocative/genitive masculine singular
2. dative feminine singular

vocative/genitive masculine singular

dative feminine singular

dative/ablative plural of deus

podium, dais

high table

An office or position and the authority it gives.

alternative form of dees (“die”)

alternative form of dees: plural of dee (“die”)

second-person plural present subjunctive of dar

third-person singular simple present indicative form of dei

ready

eager, willing

second-person plural present subjunctive of dar

Source: wiktionary.org