Source : Webster's Revised Unabridged Dictionary (1913)

Thick-knee \Thick"-knee`\, n. (Zo["o]l.)
   A stone curlew. See under {Stone}.

Source : WordNet®

thick-knee
     n : large-headed large-eyed crepuscular or nocturnal shorebird
         of the Old World and tropical America having a thickened
         knee joint [syn: {stone curlew}, {Burhinus oedicnemus}]