We don't have synonyms for trowal yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are trowel, trowl and tropal.
(n) :
(meteorology) The projection on the Earth's surface of the trough of warm air aloft formed during the occlusion process of the depression.
(n) :
Alternative form of trowal. [(meteorology) The projection on the Earth's surface of the trough of warm air aloft formed during the occlusion process of the depression.]
(n) :
(meteorology) The projection on the Earth's surface of the trough of warm air aloft formed during the occlusion process of the depression.
(n) :
Alternative form of trowal. [(meteorology) The projection on the Earth's surface of the trough of warm air aloft formed during the occlusion process of the depression.]