Found 3 Strong's definitions.

1. 1

   H5886: עֵין תַּנִּים (ʻÊyn Tannîym)

   from עַיִן and the plural of תַּן; fountain of jackals; En-Tannim, a pool near Jerusalem; dragon well.

   100%
2. 2

   H5869: עַיִן (ʻayin)

   probably a primitive word; an eye (literally or figuratively); by analogy, a fountain (as the eye of the landscape); affliction, outward appearance, [phrase] before, [phrase] think best, colour, conceit, [phrase] be content, countenance, [phrase] displease, eye((-brow), (-d), -sight), face, [phrase] favour, fountain, furrow (from the margin), [idiom] him, [phrase] humble, knowledge, look, ([phrase] well), [idiom] me, open(-ly), [phrase] (not) please, presence, [phrase] regard, resemblance, sight, [idiom] thee, [idiom] them, [phrase] think, [idiom] us, well, [idiom] you(-rselves).

   5%
3. 3

   H8577: תַּנִּין (tannîyn)

   or תַּנִּים; (Ezekiel 29:3), intensive from the same as תַּן; a marine or land monster, i.e. sea-serpent or jackal; dragon, sea-monster, serpent, whale.

   5%