Dictionary > Ladder

Ladder

Ladder
1. A frame usually portable, of wood, metal, or rope, for ascent and descent, consisting of two side pieces to which are fastened cross strips or rounds forming steps. Some the engines play, And some, more bold, mount ladders to the fire. (Dryden)
2. That which resembles a ladder in form or use; hence, that by means of which one attains to eminence. Lowliness is young ambition’s ladder. (Shak) fish ladder. See fish. Ladder beetle, a spiral marine shell of the genus scalaria. See scalaria.
Origin: oe. Laddre, as. Hlder, hldder; akin to OFries. Hladder, OHG.leitara, g. Leiter, and from the root of E. Lean, v. See lean, and cf. Climax.


You will also like...

Golgi apparatus (3-D illustration)
Role of Golgi Apparatus & Endoplasmic Reticulum in Protein Synthesis

The endoplasmic reticulum and Golgi apparatus are the organelles involved in the translation step of protein synthesis a..

Human gastrointestinal tract
Human Biology – Food and Digestion

This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..

Developmental Biology
Developmental Biology

Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..

Lake Wakatipu, New Zealand
New Zealand’s Unique Geographical History

Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..

Stem
Stems

Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..

green plant cells
Plant Cells vs. Animal Cells

Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..