modal

名词 modal:

1. an auxiliary verb (such as `can' or `will') that is used to express modality
   同义词：modal auxiliary verb, modal auxiliary

形容词 modal:

1. relating to or constituting the most frequent value in a distribution
   同义词：average
2. of or relating to a musical mode; especially written in an ecclesiastical mode
3. relating to or expressing the mood of a verb

mod.al

adj.（形容词）
Of, relating to, or characteristic of a mode.
方式上的：方式的，关于方式的，或以方式为特征的
Grammar Of, relating to, or expressing the mood of a verb.
【语法】 语气的：属于，有关或表达一个动词的语气的
Music Of, relating to, characteristic of, or composed in any of the modes typical of medieval church music.
【音乐】 属于，关于中世纪的教会音乐的，以其为特征的，或由这种调式谱写的
Philosophy Of or relating to mode without referring to substance.
【哲学】 模式的：属于或关于样式却不涉及本质的
Logic Expressing or characterized by modality.
【逻辑学】 程式的：用程式表示的或以其为特征的
Statistics Of or relating to a statistical mode or modes.
【统计学】 众数的：属于或关于统计众数的

来源：
Medieval Latin mod3lis
中世纪拉丁语 mod3lis
from Latin modus [measure] * see med-
源自 拉丁语 modus [测量] *参见 med-

【引伸】
mo.dally
adv.（副词）