gland

n. a part of the body that creates and sends out chemicals, such as hormones, sweat, or saliva.

n. an organ or group of cells that synthesizes chemical substances for release into the bloodstream or onto a body surface.

“The thyroid gland in your neck helps control how your body uses energy.”

“The endocrine system consists of several glands that secrete hormones directly into the circulatory system to regulate distant target organs.”

Technical

n. a small part on the surface of a plant that produces substances like oil or nectar.

n. a secretory hair or cell on the surface of a plant organ.

“The leaves of the plant are covered in tiny glands that produce a sticky liquid.”

“Microscopic examination revealed specialized glands on the trichomes that produce the plant's characteristic aromatic oils.”

Technical

n. a part in a machine that stops liquid from leaking out around a moving rod or shaft.

n. a device or stuffing box used to seal a rotating or reciprocating shaft against fluid leakage.

“The plumber tightened the gland on the tap to stop it from dripping.”

“The engineer inspected the packing gland to ensure that the propeller shaft remained watertight during high-speed operation.”

Technical