What is the meaning of Sinus?

A pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus).

An irregular venous or lymphatic cavity, reservoir, or dilated vessel.

Relating to or denoting the sinoatrial node of the heart or its function of regulating the heartbeat.

An abnormal cavity or passage such as a fistula, leading from a deep-seated infection and discharging pus to the surface.

A rounded notch or depression between two lobes or teeth in the margin of a leaf or petal.

A bay of the sea; a recess in the shore.

Synonym of sine.

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sinus:

1. a pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus).
2. an abnormal cavity or passage such as a fistula, leading from a deep-seated infection and discharging pus to the surface.

a pouch or cavity in a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities (the paranasal sinus).

an abnormal cavity or passage such as a fistula, leading from a deep-seated infection and discharging pus to the surface.

sine: in a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse.

a bent surface; a curve, fold, hollow

the hanging fold of a toga over the breast; a pocket, lap

1. a purse, money, which was carried in the bosom of the toga
2. a garment
3. the bosom, breast

   a purse, money, which was carried in the bosom of the toga

   a garment

   the bosom, breast

   1. the bosom for love, protection, asylum
   2. the interior, inmost part of a thing
   3. a power, possession of someone
   4. a hiding place, place of concealment; a secret feeling

   the bosom for love, protection, asylum

   the interior, inmost part of a thing

   a power, possession of someone

   a hiding place, place of concealment; a secret feeling

   a gulf, bay, bight

   1. the land lying on or a point of land that helps to form a gulf
   2. a basin, hollow, valley
   3. a fjord

   the land lying on or a point of land that helps to form a gulf

   a basin, hollow, valley

   a fjord

   the chord of an arc; a sine

   a large round drinking vessel with swelling sides, shaped like a bowl

   locative singular of sitnu

   sine

   sinus

   sine

   sinus

   inessive of sinä

   sine, sinus (in a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse)

   sine (trigonometric function)

   sine

   sinus

   Source: wiktionary.org