e/Marine sandglass

Information
has gloss	eng: Marine sandglass, is the ancient marine instrument employed to measure (or rather estimate) the time at sea. It used to be a 30 minutes hourglass. It was used as well, together with the chip log, to measure the boat speed through the water in knots (in this case with a 3 minute glass or less).
lexicalization	eng: Marine sandglass
instance of	(noun) a period of time considered as a resource under your control and sufficient to accomplish something; "take time to smell the roses"; "I didn't have time to finish"; "it took more than half my time" time

Meaning
Catalan
lexicalization	cat: Ampolleta
Castilian
has gloss	spa: Se llama ampolleta, en navegación marítima, al antiguo instrumento usado para medir (mejor dicho estimar) el tiempo. Normalmente se empleaba una ampolleta de 30 minutos. Se usaba también junto con la corredera, para medir la velocidad del barco en nudos (en este caso con una ampolleta de 3 minutos).
lexicalization	spa: Ampolleta