Tread Pronunciation: 'tred Function: verb Inflected Form(s): trod /'träd /; also tread·ed; trod·den /'trä-d&n /; or trod; tread·ing Etymology: Middle English treden, from Old English tredan; akin to Old High German tretan to tread transitive verb 1 a : to step or walk on or over b : to walk or proceed along : FOLLOW <treading a fine line between tradition and innovation> 2 a : to beat or press with the feet : TRAMPLE b : to subdue or repress as if by trampling : CRUSH 3 : to copulate with -- used of a male bird 4 a : to form by treading : BEAT <tread a path> b : to execute by stepping or dancing <tread a measure> intransitive verb 1 : to move or proceed on or as if on foot <must tread lightly> 2 a : to set foot <has gone where others fear to tread> b : to put one's foot : STEP <carelessly treading on the flowers> 3 : COPULATE - tread·er noun - tread on one's toes : to give offense (as by encroaching on one's rights or feelings) - tread water : to keep the body nearly upright in the water and the head above water by a treading motion of the feet usually aided by the hands