‖n. [ Ger., off-sound; ab off + laut sound. ] (Philol.) The substitution of one root vowel for another, thus indicating a corresponding modification of use or meaning; vowel permutation; as, get, gat, got; sing, song; hang, hung. Earle. [ 1913 Webster ]

‖n. [ G.; an on + laut sound. ] (Phon.) An initial sound, as of a word or syllable. [ 1913 Webster ]

--
Im anlaut, initially; when initial; -- used of sounds. [ Webster 1913 Suppl. ]

n. [ It. flauto a flute See Flute. ] A player on the flute; a flutist. [ 1913 Webster ]

‖n. [ It. ] A flute. [ 1913 Webster ]

Flauto piccolo ety>[ It., little flute ], an octave flute. --
Flauto traverso ety>[ It., transverse flute ], the German flute, held laterally, instead of being played, like the old flûte à bec, with a mouth piece at the end. [ 1913 Webster ]

‖n.; pl. Lautverschiebungen /plu>. [ G.; laut sound + verschiebung shifting. ] (Philol.) (a) The regular changes which the primitive Indo-European stops, or mute consonants, underwent in the Teutonic languages, probably as early as the 3d century b. c. , often called the first Lautverschiebung, sound shifting, or consonant shifting. (b) A somewhat similar set of changes taking place in the High German dialects (less fully in modern literary German) from the 6th to the 8th century, known as the second Lautverschiebung, the results of which form the striking differences between High German and The Low German Languages. The statement of these changes is commonly regarded as forming part of Grimm's law, because included in it as originally framed. [ Webster 1913 Suppl. ]

n. [ Gr. filayti`a; fi`los loving + a'yto`s self. ] Self-love; selfishness. [ Obs. ] Beaumont. [ 1913 Webster ]

n. A message transmitted and recorded by a teleautograph. [ Webster 1913 Suppl. ]

n. [ Gr. th^le far + autograph. ] A facsimile telegraph for reproducing writing, pictures, maps, etc. In the transmitter the motions of the pencil are communicated by levers to two rotary shafts, by which variations in current are produced in two separate circuits. In the receiver these variations are utilized by electromagnetic devices and levers to move a pen as the pencil moves. -- Tel`au*tog"ra*phist n. [Webster 1913 Suppl.]

‖n. [ G., from um about + laut sound. ] (Philol.) The euphonic modification of a root vowel sound by the influence of a, u, or especially i, in the syllable which formerly followed. [ 1913 Webster ]

☞ It is peculiar to the Teutonic languages, and was common in Anglo-Saxon. In German the umlauted vowels resulting from a, o, u, followed by old i, are written ä, ö, ü, or ae, oe, ue; as, männer or maenner, men, from mann, man. Examples of forms resulting from umlaut in English are geese pl. of goose, men pl. of man, etc. [ 1913 Webster ]

a. (Philol.) Having the umlaut; as, umlauted vowels. [ 1913 Webster ]

There is no natural connection between umlauted forms and plurality. Earle. [ 1913 Webster ]