What is the meaning of есть?

third-person singular present of бꙑти (byti)

to eat

inflection of быть (bytʹ):

  1. present indicative
  2. first/second/third-person singular/plural present indicative imperfective

present indicative

first/second/third-person singular/plural present indicative imperfective

there is, there are, exists/exist (expresses availability, existence or presence)

am/is/are located (at) (usually omitted)

used to express possession

am, is, are (used with any person or thing in any number, usually omitted but used for emphasis)

yes!, hooray!

okay, right, roger

yessir!

aye-aye!

Source: wiktionary.org