Y level
Y Y (w[imac]), n.; pl. {Y's} (w[imac]z) or {Ys}. Something shaped like the letter Y; a forked piece resembling in form the letter Y. Specifically: (a) One of the forked holders for supporting the telescope of a leveling instrument, or the axis of a theodolite; a wye. (b) A forked or bifurcated pipe fitting. (c) (Railroads) A portion of track consisting of two diverging tracks connected by a cross track. [1913 Webster]

{Y level} (Surv.), an instrument for measuring differences of level by means of a telescope resting in Y's.

{Y moth} (Zo["o]l.), a handsome European noctuid moth {Plusia gamma}) which has a bright, silvery mark, shaped like the letter Y, on each of the fore wings. Its larva, which is green with five dorsal white species, feeds on the cabbage, turnip, bean, etc. Called also {gamma moth}, and {silver Y}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Y-level — and Y moth see under ↑Y (n). Yˈ level noun A type of engineers level whose essential characteristic is the support of the telescope, namely, Y shaped rests in which it may be rotated or reversed end for end (also called wyeˈ level) • • • Main… …   Useful english dictionary

  • Y level — Y lev el (Surv.) See under {Y}, n. [1913 Webster] …   The Collaborative International Dictionary of English

  • y level — noun Usage: usually capitalized Y : a surveyor s level with a telescope supported in y shaped rests and as a result capable of being rotated around its own axis or of being taken out of the supports and turned end for end for purposes of… …   Useful english dictionary

  • Y level — /ˈwaɪ lɛvəl/ (say wuy levuhl) noun → wye level …   Australian English dictionary

  • Y — (w[imac]), n.; pl. {Y s} (w[imac]z) or {Ys}. Something shaped like the letter Y; a forked piece resembling in form the letter Y. Specifically: (a) One of the forked holders for supporting the telescope of a leveling instrument, or the axis of a… …   The Collaborative International Dictionary of English

  • Y moth — Y Y (w[imac]), n.; pl. {Y s} (w[imac]z) or {Ys}. Something shaped like the letter Y; a forked piece resembling in form the letter Y. Specifically: (a) One of the forked holders for supporting the telescope of a leveling instrument, or the axis of …   The Collaborative International Dictionary of English

  • Y's — Y Y (w[imac]), n.; pl. {Y s} (w[imac]z) or {Ys}. Something shaped like the letter Y; a forked piece resembling in form the letter Y. Specifically: (a) One of the forked holders for supporting the telescope of a leveling instrument, or the axis of …   The Collaborative International Dictionary of English

  • Y-moth — Y level and Y moth see under ↑Y (n). Yˈ moth noun Any of a genus of destructive noctuid moths with a silvery Y shaped mark on the forewings • • • Main Entry: ↑Y * * * Y moth see Y 3 b …   Useful english dictionary

  • Y-levelY-moth — Y level and Y moth see under Y (n) …   Useful english dictionary

  • y. — abbr. year(s). * * * 1. yard; yards. 2. year; years. * * * Y1 or y «wy», noun, plural Y s …   Useful english dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”