Foot

1. (Ger. Fu ; Fr. pied; It. gigde) In prosody, a group of syl bles, one of which is rendered special. ly prominent by an ictus (accent); it corresponds to the measure in music —2. (Ger. Stiefel.) That part of an or. an-pipe below the mouth.—3. (Obs.) A arene: a ; a refrain or burden.—4. The unit of measure in designating the pitch of organ-stops, and (by extension) that of other instr.s, and of the several oc. taves of the musical scale; thus an 8: foot (8’) stop is one whose longes pipe pro and is about 8 feet Suces the Fin ength, ie. a tone C: stop whose pipes produce tones corresponding in pitch to the keys depre ed; a 4-foot (4”) stop is an octave-stop; a 16-foot (16’) stop yields tones an octave below those indicated by the keys touched. The 8-foot ota embraces the 7 tones from C upwards (comp. Pitch, 1); ‘the flute is an 8-foot instr. (because the pitch ‘of its tones is the same as that ind i7 Phrase SS ean 4 Phrase SS Analysis of this Sentence (compound period, here a period of 16 measures), ‘which contains a musical thought complete in itself, shows it to be composed of 2 simple 8-measure Periods, each veriod being formed by 2 Phrases, each cated by the notes), while the piccolo is a 4-foot (or octave) instr.—The derivation of the term is as follows: The ee, of sound-waves is estimated at 1056 feet per second; by dividing this velocity by the vibration-number of the given tone, we obtain the length of one sound-wave of that tone; for instance, the tone C, having 33 vibrations a second, 1056 + 33 32 feet, the length of one sound-wave, and likewise the length of an open flue-pipe capable of producing the tone Cy (Geo.