סוּס

From LSJ

ἀλώπηξ, αἰετοῦ ἅ τ' ἀναπιτναμένα ῥόμβον ἴσχει → a fox, which, by spreading itself out, wards off the eagle's swoop

Source

English (Strong)

or cuc; from an unused root meaning to skip (properly, for joy); a horse (as leaping); also a swallow (from its rapid flight): crane, horse((-back, -hoof)). Compare פָּרָשִׁים.