(ש"ע) פתח אוורור לגז או אוויר; נחיר הלווייתן או יונק ימי אחר הנמצא רחוק בראש; חור בקרח שדרכו נושמות חיות (כגון: לווייתנים, כלבי-ים וכו')

n. vent for the escape of gas or air; spiracle of a whale or another cetacean located far back on the head; hole in the ice to which animals (such as whales, seals, etc.) come to breathe

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Noun
1. the spiracle of a cetacean located far back on the skull
(hypernym) spiracle
(part-holonym) cetacean, cetacean mammal, blower
2. a hole for the escape of gas or air
(synonym) vent, venthole, vent-hole
(hypernym) hole
(hyponym) smoke hole
(part-holonym) air passage, air duct, airway

n. nozdry; dýchací otvor

(n.)
An air hole in a casting.
  

(n.)
A nostril or spiracle in the top of the head of a whale or other cetacean.
  

(n.)
A hole in the ice to which whales, seals, etc., come to breathe.
  

(n.)
A cavern in a cliff, at the water level, opening to the air at its farther extremity, so that the waters rush in with each surge and rise in a lofty jet from the extremity.