lane meaning
EN
[le͡ɪn] [-eɪn] 
US WLane
- In the context of traffic control, a lane is part of a carriageway (roadway) that is designated for use by a single line of vehicles, to control and guide drivers and reduce traffic conflicts.
- Some roads and bridges that carry very low volumes of traffic are less than 15 feet (4.6 m) wide, and are only a single lane wide. Vehicles travelling in opposite directions must slow or stop to pass each other.
EN Lane 
- NounPLlanesSUF-ane
- A narrow passageway between fences, walls, hedges or trees.
- A lengthwise division of roadway intended for a single line of vehicles.
- A similar division of a racetrack to keep runners apart.
- A course designated for ships or aircraft.
- (card games) An empty space in the tableau, formed by the removal of an entire row of cards.
- A narrow passageway between fences, walls, hedges or trees.
- More Examples
- Used in the Middle of Sentence
- Thatched cottages, manors, old mills, venerable churches and wooded lanes personify a John Bull fancy, neatly tucked into gentle hill folds.
- Immunoprecipitation then indicated that cotranslation resulted in stable complex formation of Kox1/TIF1B and Kox1KL/TIF1B (Fig. 18.2A, lane 4 and Fig. 18.2B, lane 11).
- Thirty micrograms of protein per lane were subjected to SDS-PAGE using 10% Tris-HCl gels (Bio-Rad Laboratories, Hercules, CA) and transblotted to PVDF membrane (EMD Millipore, Billerica, MA).
- Used in the Middle of Sentence
Definition of lane in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Nouns
Source: Wiktionary
Grammatically, this word "lane" is a noun, more specifically, a countable noun.