to let fall a perpendicular
1let fall — 1. To drop 2. To mention or hint • • • Main Entry: ↑let * * * Geometry draw (a perpendicular) from an outside point to a line …
2Fall — (f[add]l), v. i. [imp. {Fell} (f[e^]l); p. p. {Fallen} (f[add]l n); p. pr. & vb. n. {Falling}.] [AS. feallan; akin to D. vallen, OS. & OHG. fallan, G. fallen, Icel. Falla, Sw. falla, Dan. falde, Lith. pulti, L. fallere to deceive, Gr. sfa llein… …
3let something fall Geometry — draw a perpendicular from an outside point to a line. → let …
4let — 1. v. & n. v. (letting; past and past part. let) 1 tr. a allow to, not prevent or forbid (we let them go). b cause to (let me know; let it be known). 2 tr. (foll. by into) a allow to enter. b make acquainted with (a secret etc.). c inlay in. 3 tr …
5LET — 1. v. & n. v. (letting; past and past part. let) 1 tr. a allow to, not prevent or forbid (we let them go). b cause to (let me know; let it be known). 2 tr. (foll. by into) a allow to enter. b make acquainted with (a secret etc.). c inlay in. 3 tr …
6let — let1 verb (lets, letting; past and past participle let) 1》 not prevent or forbid; allow. 2》 used in the imperative to express an intention, proposal, or instruction: let s have a drink. 3》 used to express an assumption upon which a theory or… …
7To fall abroad of — Fall Fall (f[add]l), v. i. [imp. {Fell} (f[e^]l); p. p. {Fallen} (f[add]l n); p. pr. & vb. n. {Falling}.] [AS. feallan; akin to D. vallen, OS. & OHG. fallan, G. fallen, Icel. Falla, Sw. falla, Dan. falde, Lith. pulti, L. fallere to deceive, Gr.… …
8To fall among — Fall Fall (f[add]l), v. i. [imp. {Fell} (f[e^]l); p. p. {Fallen} (f[add]l n); p. pr. & vb. n. {Falling}.] [AS. feallan; akin to D. vallen, OS. & OHG. fallan, G. fallen, Icel. Falla, Sw. falla, Dan. falde, Lith. pulti, L. fallere to deceive, Gr.… …
9To fall astern — Fall Fall (f[add]l), v. i. [imp. {Fell} (f[e^]l); p. p. {Fallen} (f[add]l n); p. pr. & vb. n. {Falling}.] [AS. feallan; akin to D. vallen, OS. & OHG. fallan, G. fallen, Icel. Falla, Sw. falla, Dan. falde, Lith. pulti, L. fallere to deceive, Gr.… …
10To fall away — Fall Fall (f[add]l), v. i. [imp. {Fell} (f[e^]l); p. p. {Fallen} (f[add]l n); p. pr. & vb. n. {Falling}.] [AS. feallan; akin to D. vallen, OS. & OHG. fallan, G. fallen, Icel. Falla, Sw. falla, Dan. falde, Lith. pulti, L. fallere to deceive, Gr.… …
