Denshi Jisho — Online Japanese dictionary

せん 1: line; stripe; stria;
2: line (e.g. telephone line); wire;
3: ray (e.g. X-ray); beam;
4: line (e.g. of a railroad); track; route; lane;
5: outline; contours; form;
6: level;
7: division;
8: line (of action); position; approach; policy; principle;
9: impression one leaves; air one gives off
Common word, Noun, Noun suffix 
しせん one's line of sight; one's gaze; one's eyes (looking); glance; gaze; look
Common word, Noun 
だせん baseball lineup
Common word, Noun 
むせん wireless; radio
Common word, Noun, No-adjective 
ろせん route; line; alignment
Common word, Noun 
いせん parallel
Noun 
かせん underline; underscore
Noun 
かせん aerial wiring
Noun, Suru verb 
かせん spiral line
Noun 
かせん firing line
Noun 
きせん base line
Noun 
きせん bright line
Noun 
こせん arc (of a circle)
Noun 
ごせん staff (music)
Noun 
させん dashed (dotted) line; chain line
Noun 
しせん branch line
Noun, No-adjective 
しせん point between life and death; verge of death
Noun 
はせん wavy line
Noun 
はせん dotted line
Noun, No-adjective 
ふせん wiring
Noun 
ほせん track maintenance
Noun 
ぼせん 1: generating line;
2: (Computer terminology) bus
Noun 
めせん 1: one's gaze;
2: from the point of view of
Noun 
らせん 1: (Mathematical term) helix;
2: spiral
Noun 
らせん uninsulated electrical wire; open-wire line; bare wire; bare conductor
Noun, No-adjective 
いっせん line
Common word, Noun 
沿 えんせん along railway line
Common word, Noun, No-adjective 

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