Found 1 items, similar to Main beam.
English → English
Definition: Main beam
(m[=a]n), a. [From Main
influenced by OF. maine, magne, great, L. magnus. Cf.
1. Very or extremely strong. [Obs.]
That current with main fury ran. --Daniel.
2. Vast; huge. [Obs.] “The main abyss.”
3. Unqualified; absolute; entire; sheer. [Obs.] “It's a man
--Sir W. Scott.
4. Principal; chief; first in size, rank, importance, etc.;
as, the main reason to go; the main proponent.
[1913 Webster +PJC]
Our main interest is to be happy as we can.
5. Important; necessary. [Obs.]
That which thou aright
Believest so main to our success, I bring. --Milton.
By main force
, by mere force or sheer force; by violent
effort; as, to subdue insurrection by main force.
That Maine which by main force Warwick did win.
By main strength
, by sheer strength; as, to lift a heavy
weight by main strength.
(Steam Engine), working beam.
(Naut.), the boom which extends the foot of the
mainsail in a fore and aft vessel.
(a) (Mech.) The brace which resists the chief strain. Cf.
(b) (Naut.) The brace attached to the main yard.
(Steam Engine), a shaft upon which a working
beam or side lever swings.
. See under Chance
(Arch.), the principal truss in a roof.
(Naut.), the deck next below the spar deck; the
(Naut.), the principal or true keel of a vessel,
as distinguished from the false keel.
Syn: Principal; chief; leading; cardinal; capital.