- Flap by Webster's
... move, as something broad and flaplike; as, to flap the wings; to let fall, as the brim of a hat.(v.i.) To fall and hang like a flap, as the brim of a hat or other broad thing.(v.) A hinged leaf, as of a table or shutter.(v.) A disease in the lips of horses.(n.) To beat with a flap; to strike.(v.) Anything broad and limber that hangs loose or that is attached by one ...
- larynx by Marcus Welch
... 's apple); the epiglottis, a flaplike projection up into the throat that covers the airway during swallowing to keep food and liquid from entering; and the vocal cords, whose vibration produces the sound of the voice ( see speech).
- lappet by Ariel Walsh
... An attachment for a loom, used to insert floating warp threads into a fabric. A lightweight patterned fabric such as dotted swiss made with such an attachment.(zoology) A lobe or flaplike projection, such as on the margin of a jellyfish or the wattle of a bird.
- valve by George Butler
... flow of a fluid Anatomy a flaplike structure in a hollow organ, such as the heart, that controls the one-way passage of fluid through that organ Electronics an evacuated electron tube containing a cathode, anode, and, usually, one or more additional control electrodes. When a positive potential is applied to the anode, electrons emitted from the cathode are ...
- horseshoe crab by Mckenna Horton
... of a book onto one pair of flaplike appendages on the opisthosoma. Rhythmic movement of the appendages circulates water over the gill surfaces and drives blood into and out of the gill leaves.Horseshoe crabs first appeared in the Upper Silurian period, and a number of fossil species have been described. Five species still survive; four of these are found along the ...