windsucker /ˈwɪndsʌkə(ɹ)/ noun4 •A horse with the habit of windsucking. •(no longer used) Synonym of windfucker. •(no longer used) The common kestrel (Falco tinnunculus).At the same time (over and above) shee thought that, in stead of a boye, (which she desired) she was deliverd and brought to bed of one of these kistrell birds, called a wind-sucker. — 1596 •(offensive, no longer used) A term of abuse.Cle[rimont] Did you ever hear such a Wind-sucker, as this? / Dau[phine] Or such a Rook as the other! that will betray his Master to be seen. Come, 'tis time we prevented it. — 1609 formswindsuckers